When your pants gets stuck between your ass cheeks and it looks like your butt is eating your pants.
Sarah: DAMN Becky, look at Magaret her butt totes mcgoats has the butt munchies!
Becky:HOLY TOLEDO ITS TRUE!
by Up yours :p April 30, 2010
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1. Anyone extremely irritating

2. Someone you don't like

This was created by Cathy of Centennial Campus Middle School 2005.
Stop poking me Evan! You're being such a butt munchie!
by Blueeydblondie21 May 7, 2006
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Butt Munchies adj. When after smoking weed, and you get the munchies for alot of chocolate.
I had so much Chocolate, I REALLY had the butt munchies!
by Hood69er December 31, 2005
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When your butt is too big and your bathing suit is too small. Looks as if the bathing suit is being consumed by your butt
Leah has the butt munchies, its really gross cause she has protruding thighs as well. Gross!
by supermannoeshere February 8, 2010
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