Definitions by Jim Pony

open a can of soup 

To take a very nasty crap. Usually explosive diarrhea. The term is derived from the sound of the poo splashing into the toilet water along with the contents of the toilet generally look like vegetable beef soup.

"Oh man, my stomach feels jacked. I think it's time to open a can of soup."

open a can of soup by Jim Pony August 8, 2009