A mustache of semen (cum) that is delacately layed on the upper lip of a female, or in a homosexuals case on the upper lip of a man. This can be licked off by any partner and deposited into a sink or swallowed. Make sure there are no STD's while preforming this sexual activity. Best done after oral sex.
Dude i was gettin head from this chick and i cumed on her face and made a cumstache outta it... it was gnarly. it was a true work of art! She swallowed it and everything!
by Alex Ostrow May 1, 2006
Get the Cumstache mug.A crusty little mustache that can't be grown full enough to be dubbed a full fledged mustache. Usually worn by teenagers or white trash Joe Dirt types that cant grow facial hair but wont take mother natures no for an answer.
by Wordy wordington May 17, 2018
Get the Crustache mug.The hottest guy ever. He will make you very quickly to fall for him. He overloves and overtrusts, but at least he knows how to be a gentleman. Oh and btw... Every costache has beautiful kids(even if they have problems, like having more than 2 eyes)
by Abracadabra677838 February 19, 2021
Get the Costache mug.Guy 1: "See that geezer over there?"
Guy 2: "Yeah, what about him?"
Guy 1: "See all those crumbs in his mustache? Now that, my friend, is a crustache."
Guy 2: "Yeah, what about him?"
Guy 1: "See all those crumbs in his mustache? Now that, my friend, is a crustache."
by »AJH« July 20, 2010
Get the crustache mug.After the act of oral sex, on occasion the partner's cum is left behind on the upper lip, under the nose. This can resemble a mustache and commonly confused as a milk mustache.
by Knifo August 25, 2011
Get the cumstache mug.by JCbaybee March 31, 2010
Get the Cumstache mug.by matt + ed March 4, 2004
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