short for mother Fucker- (a place)
someone is gonna get hurt up in this mo fo
by Gdubs October 3, 2006
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If you are a mo fo you are a mother fucker!!!!!
"You mo fo" says the boy "fuck you" you reply
by dan543 April 12, 2006
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Mother Fucker!!!!!!!!!!
Imma Kill You Mo Fo
by B-Law February 26, 2004
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