Squeeze Meat 

To Shit. Taking a big old shit. Ass blasting.

I’ll be right back. Gonna run squeeze meat.

I barely made it to the shitter to squeeze meat.

I had to leave the meeting I was in to run squeeze meat.

Squeeze Meat by Eaton Holgoode October 16, 2018

squeeze a meatball 

a notoriusly large/dangerous bowel movement.

Jerry had trouble flushing after he "squeezed a meatball" with extra cheeze.

squeeze a meatball by mvl September 11, 2003