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1 definition by Mung Master Pete

 
1.
when eating out someone's asshole, the one getting his/her ass eaten out has diarrhea into the ass eater's mouth, staining his/her lips a shitty brown color
Pete: Phil, why do your lips look like u just ate a turd?
Phil: That bitch last night gave me brown lips!
by Mung Master Pete October 24, 2006