When a man is having sex with a girl on her period. He then uses his bloody dick to smear a Kool Aid Mustache above her top lip. This can also be done with a bloody finger.
I gave that chick a Kool Aid Mustache!
by fahQskeletor August 04, 2010
when a man eats out a woman when she is on her period and gets blood on his upper lip
when mike was eating out alaina he came up with a kool-aid mustache.
by J. Stizz January 17, 2008