The brown watery sweat that builds up on ones butthole on a hot day.
Dude it's so hot out, my butthole gravy is definitely going to stain my drawers.
by Huge hammer69 May 17, 2019
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when you are in the act of sharting or shart and a stick fecal substance comes out
hey man, i was on the can and some butthole gravy came out
by Frankmeister July 31, 2008
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