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2.
Another word for jizz, cum, splooge etc...
That guy got his man fog all over his pants after he got a lap dance.
by Benjamin Dovermey February 03, 2008
 
1.
condensation forming on car window due to sweaty/steamy dudes inside
the man fog was so thick, i could barely see where i was driving

when we were coming back from skating, we totally manfogged your dads bmw

by rich mal August 22, 2007