1 definition by Dave516

Top Definition
When you go to Taco Bell and your smomach starts bubbling and you have massive diarrhea. After you stand up and your ass is burning, the sensation is known as "fire ass".
You: Dude, that Taco Bell tasted so good last nite
Me: I dunno, man it didn't agree with me. Yo, that shit give me fire ass!
by Dave516 March 13, 2008
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