164 of 196 Rollback to Revision 162 - Rollback to revision 162. The meta post clearly stated to not go editing it out.

0-9, A-M (N-Z)

2k User

See: Editor

3k User

See: Closer

10ker, 10k User

Refers to users who have surpassed 10,000 reputation which gives them access to moderation tools. While 10k users have access to moderator reports and notifications, generally only system-appointed moderators (♦ Diamond Moderators) can perform many moderator-level functions. These 10k users are still sometimes called "moderators".

10k Tools

Refers to the moderation tools that 10k Users have

See: 10ker, 10k User

Accept Rate

The percentage of a user's questions which the user has marked an answer as accepted. Some exclusions apply. The accept rate will no longer be displayed.

Accepted Answer

The answer selected by a question's author as "most helpful". Accepted answers are marked with a green check mark next to the answer. Accepted answers generally appear at the top of answer list.

See: How does accepting an answer work?

Answer Ban

See: Post Ban

API

The public API present on all Stack Exchange sites that provides access to question, answer, comment, and user data. You can find more information about the API on StackApps.

Atwood

See: Jeff Atwood

Badges

Part of the Stack Exchange reward system. While reputation is generally awarded through the voting system, badges reward other types of participation, achievements, and behaviors. The list of Stack Overflow badges with descriptions and How do Badges work?.

See: Reputation

Ban, Suspension

Being temporarily blocked from using a site on the network. There are also question bans and answer bans, which prevent you from doing those activities only (on a specific site), and chat bans (which affect all chat rooms).

See: Penalty box, Post Ban

Bounty

An amount of reputation which can be added to a question as a bonus and is awarded manually by the bounty offerer. If the bounty is not awarded within 7 days + 24 hours, half the bounty amount will be awarded to the highest voted question that has 1+ votes. It pushes the post to the featured tab sitename.stackexhange.com/?tab=featured for 7 days and visually distinguish it from other posts. Possible bounty amounts are 50, 100, 150, 200, 250, 300, 350, 400, 450 and 500.

Burninate

Used as a synonym for deleting a tag. A burninated tag may not necessarily be blacklisted. See The true meaning of Burninate and The many memes of Meta: Burninate.

Cache, Server Cache, Caching

Storing dynamic data in static form to reduce load on server and get faster load time of pages. More technical details here.

CAPTCHA

A mechanism that prevents bots from participating. Some human behavior can look robotic to the system (extremely fast edits / posts, for example), and will occasionally trigger the CAPTCHA. This is the checkbox / kittens CAPTCHA now. Example: http://stackoverflow.com/nocaptcha

Close, Closed, CV

A question where no new answers are accepted. Community members with more than 3,000 reputation can vote to close a question if, for a variety or reasons, it doesn't fit the site's requirements. Five close votes closes a question. Users may only vote once to close each question. See: Reopen

Closer

Community member with 3,000 or more reputation. Has the ability to vote to close questions based on criteria set forth in the FAQ.

Comments

Comments can be added to a question or answer to communicate information that is not necessarily appropriate for the question or answer itself (asking for clarification, for example).

Community

Or site. One distinct part of the SE network of sites, dedicated to one topic. Every site stands on its own and determines their on-topic and off-topic subjects. List of all sites/communities.

Community Manager, CM

They watch the various and sundry meta sites, answer questions, address or escalate requests and provide guidance in the use of the site's tools.

See: http://meta.stackexchange.com/q/99338

Community Wiki, Wiki, CW

A question or answer that can be edited by any community members having 100 reputation or more. Questions and answers marked CW prevent users from receiving any reputation from upvotes or losing reputation from downvotes. The community user "owns" this rep.

Creative Commons Data Dump

A database export containing the cc-wiki-licensed data from each of the sites. The database contains the posts, comments, votes, badges, and user data (“sanitized” to protect privacy by removing all personally identifiable information). Blog: Stack Overflow Creative Commons Data Dump

Creative Commons License

The license under which all contributed content is placed. More details on the SO blog.

CV

See: Close

CW

See: Community Wiki

Data Dump

See: Creative Commons Data Dump

Delete, Deleted

A question or answer that has been marked as deleted by a moderator, or voted to be deleted by users with at least 10,000 reputation points. Deleted posts remain visible to moderators and 10k users.

Diamond Mod[erator], Diamond User, Diamond

The name often used for moderators in the Stack Exchange network because of the small ♦ symbol next to their name on all posts / comments / chat messages.

See: Moderator

Draft

Automatically saved copy of a post that wasn't yet submitted. Full details here.

Dupe, Duplicate

A question which has been asked before. Duplicates are discouraged - ideally all the best answers for a given issue or problem can be found in one question. Community members with more than 3,000 reputation can vote to close duplicate questions.

Editor

Community member with 2,000 or more reputation. Has the ability to edit any unlocked post on the site, even if they are not community wiki.

Edit War

This is where two or more users continually edit, or rollback a post to undo each other's actions. This is one of the reasons for a moderator to lock a post.

Fastest Gun in the West

The tendency to reply to a question as quickly as possible, often motivated by hunger for reputation points.

FAQ, Frequently Asked Questions

While the "faq" generally refers to the specific "faq document" linked at the top of each site, "faq" can also refer to any meta post linked with the moderator tag . The Official FAQ is a community-moderated post which attempts to annotate the features and behaviors of all Stack Exchange sites in one central location.

Favorite Tags

Setting a tag as favorite causes all questions with these tags to be highlighted a different color in your questions lists.

Formerly called Interesting tag

Favorites

A list of questions that you have bookmarked by clicking the star icon star icon underneath the voting controls for each question.

There are many other resources which can be "favorited" (bookmarked, liked, starred), so perhaps use this term with some caution or clarification.

Featured

See Bounty

FGITW

See Fastest Gun in the West

Flags

Posts with serious problems can be flagged for moderator attention, being offensive, or containing spam. Any post receiving six offensive or spam flags within a two-day period is automatically deleted.

You generally only flag for moderator attention to ask moderators to do something that you don't have the ability to do (e.g. Making the post Community Wiki).

Flair

Refers to a small banner associated with a user's account, displaying their user name, reputation, badge count, and gravatar. Generally seen next to the authorship of a post but can also be embedded in an external website as a token of your membership and participation on any of the Stack Exchange sites. The term flair is from the 1999 film Office Space, and used in the Stack Overflow podcast, episode 54, at 5 min 48 secs.

Example: http://stackoverflow.com/users/flair/1

See: Now Earn Valuable Flair!.

Gimmeh Teh Codez

What Help Vampires are thought to say.

Graduated Site

A Stack Exchange site available to the whole internet. Has its own graphical design, logo, etc. Rarely, requires registration to post questions. Privileges are the highest reputation levels. Sometimes will have a top level domain (see Stack Overflow, Super User, Server Fault, Ask Ubuntu).

See: Public Beta, Graduated Site

Gravatar

Gravatar (an abbreviation of globally recognized avatar) is a service for providing globally-unique avatars based on the md5 hash. You can change your image to a custom profile at the above address. By default Stack Exchange uses the identicon: a geometric pattern based on an email hash, or (if you are signed up to gravatar) your chosen image. All deleted user accounts use the mystery-man a simple, cartoon-style silhouetted outline of a person.

Hat, Hats

See: Winter Bash

Help Vampire

A user who shows little or no effort to solve their immediate problem, instead posting a question hoping that one of the Rep-Junkies will quickly jump in and post a working solution to their problem.

Ignored Tags

Tags that you specify as ignored tags cause all questions with these tags to be filtered out of your questions list, either by deemphasizing them or (at your option) removing them.

Jeff Atwood

Jeff Atwood is a co-founder of Stack Exchange Inc. (previously known as Stack Overflow Internet Services, inc.), which is the company that runs Stack Overflow, Server Fault, Super User and other Q&A sites in the Stack Exchange network. As of the 1st of March 2012, Jeff has left the day to day operations of Stack Exchange. He is still present on many sites and acts in a moderator role from time to time.

Joel Spolsky

Joel Spolsky is a co-founder of Stack Exchange Inc. (previously known as Stack Overflow Internet Services, inc.), which is the company that runs Stack Overflow, Server Fault, Super User and other Q&A sites in the Stack Exchange network.

Jon Skeet

Jon Skeet is the Chuck Norris of Stack Overflow.

Locked

A moderator can "lock" a post where it can no longer be edited, voted or commented upon, closed or re-opened. If a question is locked, new answers can still be added to that question (provided it has not been closed), and any of the (unlocked) answers can still be edited and voted upon. What is a “Locked” question? How do they work?

LQP

Low-Quality Posts; one of the review queues.

See http://meta.stackoverflow.com/questions/251820/what-are-the-criteria-for-low-quality-posts

Markdown

Markdown is the text format used to style posts. Wikipedia entry, full reference.

MCVE

MCVE refers to a Minimal, Complete, and Verifiable Example.

Merge

Although duplicate questions are generally closed, sometimes a moderator will merge the answers from the duplicate question into the original question, and delete the duplicate. The original question will now contain both the original answers, and the new answers from the duplicate.

Meta

Refers to any posts that discuss the operation or functionality of the site(s). The term "meta" also refers to the subsite, meta.sitename.stackexchange.com, which every sites has to handle technical support, feature requests, and discussions about each Stack Exchange site. Meta Stack Exchange (Meta.SE, MSE) is for questions that apply to the whole network. Originally, there was no Meta.SE - questions about the network were asked on Meta Stack Overflow.

See: Meta Stack Exchange, Meta Stack Overflow, Site Specific Meta, What is Meta?

Meta SE

See: Meta Stack Exchange

Meta Stack Exchange

The Meta Stack Exchange website (this site). A place to discuss matters concerning the whole Stack Exchange network. Especially for reporting network wide bugs and request features. Originally, there was no Meta.SE, questions about the network were asked on Meta Stack Overflow.

See: Meta

Meta Stack Overflow

The Meta Stack Overflow website. A place to discuss issues common to Stack Overflow. This was also the meta for the whole network before MSE existed.

Migration

Occurs when a question is deemed more appropriate for one of the other sites in the Stack Exchange network, and five users vote to close the question as "off-topic because..." and then selected "This question belongs on another site in the Stack Exchange network." The question (and all of its answers) are copied to the new site, and the original question is closed. There is a limited list for each site - and some sites only have their meta as a migration option.

Moderator, Mod, Diamond User

A Stack Exchange user that has been elected and has additional powers to oversee a site. They can merge questions, do mass-re-tagging, and have other fun powers. They are distinguishable by the ♦ after their names on all posts / comments / chat messages and on their profile. SE employees also have the ♦ and moderator powers across all sites.

MSE

See: Meta Stack Exchange

MSO

See: Meta Stack Overflow


Further Reading:

The Help Center

The FAQ