1 definition by tylervaz

Top Definition
1. when one eats a delicious dish of mexican cuisine, but afterwards suffers the consequences in the form of uncontrollable, firey diarrhea.

2. when after recieving anal sex from a person of mexican heritage (or hispanic in general) one contracts an STD in their anus, resulting in a sloppy, muddy butthole.
1.
Person 1: Dude those burrittos were awesome, but i'm never eating there again.

Person 2: Why's that?

Person 1: Because i was on the toilet for the next 2 hours with a case of Mexican Mudbutt

2.
Lisa: Jenny, how'd things go with Jose last night?

Jenny: Well i let him do me in the ass, and now i think i've got a sloppy encounter with Mexican Mudbutt
by tylervaz May 09, 2006

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