N. {fasbook phart}
Gas emitted from one's anus during a facebook session that is worse then normal gas due to the facebooker's refusal to get up and take a shit.
Jim: I was profiling on facebook last night and I facebook farted so bad I thought I greased my shorts.

Jan: No shit?

Jim: No.
by Ryan p cooke April 25, 2009
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When you comment or post on facebook, but misspell or make a grammatical error, delete it, and not post again to avoid annoying your friends.
Friends post: Going to a lil wayne concert!

Comment 1: He suuucks

Facebook fart: He isn't sick, he's I'll

The facebook fart is then quickly deleted and a corrected version is not posted.
by weezy blows me July 16, 2011
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