upper cracker 

A fart that exits through the upper butt crack region.

Damn girl, that fart was slappy. I think it was an upper cracker.

upper cracker by Captain Wieb March 13, 2014

Upper Cracker 

A bubbly fart that rolls to the top of the butt crack. Typically it makes a higher pitch sound than a standard bubbly fart.

Did you hear Steve’s upper cracker in the locker room the other day? It sounded super weird.

Upper Cracker by Campbell’s Soup January 16, 2022

Cracker upper

Someone who is sooo funny that they make you pee on yourself

Dude stop being a cracker upper!

Why?

I'm gonna pee myself!!!!

Cracker upper by Rayraymadden June 22, 2014