When a woman has very large protruding inner labia resembling roast beef.
Damn dude! that chicks cooch looked like a canoe full of moose meat!
While on a long road-trip you squeeze your butt cheeks together to keep the turds in while you let small farts pass through without crapping yourself. The fart is as pungent as possible and may kill someone. You'll certainly get burned.
Dude! who just let a pellet stove go!
When you're sitting down and push out a fart but shit comes out instead and squeezes up the back of your pants.
Oh Shit! I just gave myself a hot pocket!