A person who demonstrates severe and regular mood swings on their facebook status updates. A condition usually found in females.

Males will often continue to be their "friends", probably in the off chance they get the opportunity to get into their Bra one day.
"Dude, whos that? Her dad died this morning, but now, she is all good agan after getting her new fake Burbery handbag off of Ebay!? Is she on drugs?"

"No mate, she just has Facebook Bipolar. I'd still shag her though, Hence we're still friends....just incase. You know?"

"Ah, yeah, OK. Gotcha. I know a Bipolar facebooker too. Annoying aren't they?!"

"Tell me about it dude.... tell me about it!
by Unclebobbobbob April 27, 2011
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Facebook users who seem like cool peeps in person, but get hostile and obsessive while on Facebook. The "facebook mood swings" between mania and depression can be very abrupt.
Facebook Posts:

Rachael Ray: I am perfect. Everyone should be like me!

Lindsay Lohan: I'm pretty cool too!

Rachael Ray: NO! You aren't me. Everything I say is right. If you disagree with me you are wrong.

Rachael Ray:I will now post a recipe for the perfect life, mine. ;) Hope this pisses you off!

Lindsay Lohan: I think you are Facebook bipolar!

Rachael Ray: What? I had a *winking smiley face* you can't get mad if I put a smiley face!
by ghettomomsrus August 10, 2010
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When you react to several Facebook posts in a row using different emojis.
Dude, are you alright? I saw you reacted to a bunch of posts on Facebook last night. You liked one, loved another, then you angry faced like 10 in a row...

Yeah man, I was just drunk.

Careful, cuz people are gonna think you are Facebook Bipolar.
by Scott B. Foresman February 10, 2018
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