Facebook Jail

1. Purposely ignoring someone. Not responding to their messages, posts or likes for whatever reason.
Can also mean blocking them.

2. Facebook itself blocking you due to something you've either posted, words you've used or for harassment of another user.
This is the order you usually get put in Facebook Jail for:
24 hrs
48 hrs
72 hrs
3 days
7 days
14 days
30 days
Then if you just don't get the hint, Facebook will eventually permanently delete your profile.
Once FB begins throwing you in jail for WEEKS at a time....*then* the index in their computer system takes over and begins searching every post you've EVER made ANYWHERE on FB.
At this point your days are numbered because even if you 'behave' & refrain from naughty posts, when FB finds something..... and they will....you'll be in my shoes, lol.
#RIPprofile
That's why you see so many 2nd acct's popping up.

Being sent to or throw in Facebook Jail usually required someone reporting you for the above reasons in the second definition. Facebook would check it & if it was a violation they'd block you (FB Jail)
But after you've done a few stints in Jail due to being reported, Facebook itself now uses a HUGE index to sift through your profile as far back as when you created it, looking for words you aren't allowed to use anymore or memes they deem over the top.
How do I know all of this? I'm currently doing time on a 30 day stint, lol. The sad part? It was for something I said months ago!

When your Facebook account is suspended, which now occurs for the most minor of jokes and comments. Unlike real jail, there is no reprieve or parole: your sentence is final, while repeat offenders are offline for now weeks.

The state where you're blocked from adding friend because you tried to add the friends THEY RECOMMENDED in the first place.

Facebook Jail is when Facebook punishes an account (profile or business page) -it could be that it blocks some features or disable the full account- because it breaks Facebook laws (post inappropriate content, post too fast, give too many likes, etc.).

Anytime you accidentally or purposly violate facebook's terms you get banned or blocked until further notice

Putting someone in 'facebook jail' refers to hiding their status updates b/c they (a) annoy you or (b) really fuckin' annoy you. This has no bearing on how you feel about the person, only how you feel about their thoughts contaminating your news feed. Okay, maybe it has a little bearing on what you think of the person, and whether or not it was smart to add them in the first place.

Facebook blocks you because you want privacy and changed your name into a fake name. Or Facebook blocks you because you post too much in a group, Facebook sees you as spam. Or Facebook blocks you for having too many friends. Facebook is extremely introverted. Not a good place for extroverts.