In light of the recent influx of poorly worded Facebook-related questions, I would like to hide all questions with a Facebook tag.
The Ability to Hide Questions was asked in 2009. Are there any updates to this request?
Insert facebook* in your Profile in the Prefs tab, like so:
* to ignore everything related to Facebook, add a star after
It seems like you could modify the GM script given in the main answer to filter by the tags you care about.
Having said that, a higher level of
ignore might be a nice feature, if you only wanted some tags to be hidden and others not to be. Otherwise genesis' answer is what you want.