Top Definition
Cheating on your boyfriend or girlfriend by saying certain words, phrases, or "things" to another guy or girl over Facebook Chat or on his or her Facebook Wall.

Also a witty combination of the names/words Facebook and cheating(duh)

If you were looking for facebook cheat that is different.
Cheating Girl : I'm fbating with you!
Guy: What?!?
Girl: Yeah! I want sex RIGHT NOW! With you! I hate my bf!

Cheating Girl 2: I miss uuuuuuuu!
Guy 2: I miss uuuuuuu too!
Girl 2: I can't leave my boyfriend!
Guy 2: Just dump his sorry ass! We're already fbating on BOTH of our bf/gf's.

Cheating Guy: Yeah you like that! Yeah!
Girl: Oh! Oh! Ohhhhhh!
Guy: Geez relax we're not having real sex! It's cyber sex just like what WOW losers do. Wait when the real thing happens!
Girl: Ok. Just dump your loser gf b4 she figures out you've been fbating with me.
Guy: Oh I already did.
by Jabbaaanjustlikeyaneighba June 24, 2011

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