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1.
Slang for motherfucker.
You is a honky mahfah!
by Laser November 13, 2002
 
2.
moth_ _ fuc_ _ _
awwwww, muh fuh!!!!!!!
by too black, too strong November 11, 2003
 
3.
MUH-FUH is used as term for saying mother fucker. It was originally used so that teachers or coaches couldn't understand the fact that you were saying mother fucker.
Man we gonna kill that MUH-FUH.
by Maurice Thomas January 28, 2006