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The burning feeling in the anus after taking a dump, after consuming chile or other spicy foods.

See also: Ring of Fire
Man, this chile is so damned hot. I'm gonna have gringo butt tomorrow for sure.
by bolder jesster January 18, 2005
Severe diarrhea caused by ingesting food or water in Mexico.
I ate some tacos from a street vendor in Tijuana and I'll be damned if it didn't give me the worst case of gringo butt I've ever had.
by Chancey B January 05, 2007