What is Facebook Purgatory?
1.
If you get a friends request on Facebook and you do not accept or reject it for an extended period of time, even though you log onto Facebook frequently, the interim time period is called Facebook purgatory.
Can be done, for example, if you do not quite know somebody well enough to friend them, but think you will in the future. At least, that's why GUYS do it.
Note that this is not quite the same as
That one girl in Russian class kept me in Facebook purgatory for two months before finally accepting. Slap me silly if I know WHY... I mean, she was talking to me just about every day for the whole damn year...
See