When you eat Taco Bell, the intestinal tract heats up, causing the rancid Taco Bell feces to melt into a highly combustible fluid, which is now completely liquified, which is then charged with the anal gases which have been heated into plasma, causing a turbocharged fart to shoot out liquid diarrhea into your pants, in which the Taco Bell diarrhea’s runny state causes the shit to run down your pants, with an intense and potent smell. A term coined and used by the Angry Video Game Nerd.
Guy 1: I suddenly don’t feel good.
Guy 2: I told you not to have that shredded chicken burrito from Taco Bell.
Guy 1: *shits his pants loudly*
Guy 2: OH MY GOD YOU HAVE ANUS GRAVY LEAKING OUT OF YOUR PANTS I FEEL LIKE I AM ABOUT TO PUKE BECAUSE IT SMELLS SO BAD!
Guy 1’s Girlfriend: You just got your anus gravy all over my new white pants! I am breaking up with you!
Guy 1, being unable to withstand the devastating effects of anus gravy, decided to hang himself in the school bathroom the next day.
by InternetSlangPhD January 3, 2021
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The mixture of feces and semen found in the anus after anal sex.
Matthew enjoyed Terry's anus gravy with a straw, it tasted just like chicken.
by The Amazing Blue September 14, 2010
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