by Flagrantgrass January 28, 2017
by phillypilly July 10, 2019
by Carolina Fox October 10, 2017
by shan and dust June 16, 2003
by mlen December 09, 2003
A dirt mustache is when you eat a girl's dirty asshole and get residual feces all over your upper lip.
My girlfriend asked me to eat her ass last night and it was dark and when i turned the lights on i had a dirt mustache.
by RadSpaceman June 19, 2017
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