Top Definition
To say yes in a crazy person way. Just substitute mother fucker.

When saying you must either be drunk or stoned.
Hey man after this drank wanna hit up the bar down da street?

Hells yea mo facka.......I'm drunk....or stoned....WOOHOOO.....ok guys where's my pants.
by Joe the Plumber406 January 13, 2009
5 Words related to hells yea mo facka

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