(N) When your poop is really hard and causes pain to the anus; usually causes constipation; can be very painful trying to push out.
Boss: Why are you late?!
Worker: Sorry boss! I was on the toilet, I had a brownie poo.
Boss: Ohh, why dont you take a seat? We all understand.
Worker: I dont think i can do that right now.. I still feel the burn...