a mustache that is slightly bleached or lightened as a result of eating a substantial amount of coochie or one that just has acidic discharge
That dude must be an eater, you can tell from the light patches of his munchstache.
by dorsosexy January 26, 2023
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{muhnch-stash}

--n.
1. During cunnilingus, the appearance that the pubic hair of the recipient is actually the facial hair of the performer.
2. A euphamism for oral sex
"Dude, I was going down so hard on that chick, I had a total munchstache!"
by sou1shriek July 8, 2012
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An edible form of facial hair usually located on the upper lip below the nose.
Henry: Is that a piece of chocolate on Frank's upper lip?
Peter: That's no piece of chocolate, that's a munchstache.
by Sir Nacrudz April 12, 2011
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