Top Definition
Shit-mother-fucker said quickly with only the first syllable of each word. (Excluding where SHIT is one syllable. But you can't have the whole word in there, or it doesn't flow.)
Either pronounced shi-mah-fah, or shi-muh-fuh.
SHIMAFA. I just burned my finger!
SHIMAFA. I was just about to beat the stage on Zelda and I lost my last heart!
by ckkkkkkkkkkkkkkk July 12, 2009
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