A fart that makes a really load roaring noise.
The long silence was broken by Jazmin's angry butt zombie.
by jazmin blessed September 25, 2008
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When your farts smell like you have been eating nothing but dead things.
For God's sake, Grandpa has straight Zombie Butt after eating nothing but Cheetos and cabbage!
by Skiddy Marx April 27, 2019
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