when you have such an explosive and uncontrollable case of diarrhea that it's leaking from your anus and your ass crack smells like poo until the storm passes.
momo must had a severe case of gravy ass because he smelled like a rotting corpse in close quarter combat.
When, after eating, an individual has an abnormal increase in the frequency and liquidity of your stools, or simply Diarrhea. Diarrhea is most commonly caused by eating dairy products or other offending foods. Some of the symptoms are bloating, gas, cramps, loose stools. Ass Gravy!!!
Consisting of fully and partially digested Fecal material, can be of watery
consistency. Found within the rectum and on the anus if one is not up to par with personal cleansing. Assgravy can also be found in sewage pipes as a smelly gray residue.