stomach ass 

A fat guy who's stomach hangs out of his shirt and it looks like two butt cheeks.

Hey look at that fat guy's stomach ass.

stomach ass by jordanam93 December 4, 2009

Stomach in my ass

When shooting a powerful gun, you’ll be blown back off your feet. The pain will make you reference “MY STOMACH IN MY ASS YO”

Got damn my stomach in my ass!

Stomach in my ass by ALLBLAX December 1, 2019

Stomach is in my ass 

When someone ate something that their stomach doesn't agree with, this causes pain and more likely than not, a very violent shit follows in suit. Usually diarrhea

I've been eating dairy all day, and now my stomach is in my ass.

Stomach is in my ass by officiallymobbs November 1, 2022