1 definition by OC woman

Top Definition
OMF
Old Man Fart. When you're walking through WalMart and the old guy sitting on the bench leans over and rips a big one. That's an OMF.
Niceeee.
Dude! Did you hear that OMF??

Do I smell like OMF?

Mom, that food smells like OMF. Gross.
by OC woman May 18, 2011
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