1. When some one is in a formal situation and needs to take a monster shit.
2. When some one actually poops in their suit. (not covered under the warranty at the Men's Warehouse.)
1. Your best man runs away from the alter due to a monster shit. He is about to take a suit poop.
Poop Suit: A monochromatic Grey on Grey outfit that resembles a trashy, lower class lifestyle.
Jim, what's up with the poop suit?
Jesus Christ Nicole, did you not get the poop suit memo?