Giving Birth to a General in the Burns Unit
To defecate (have a poo) where it is unwise to, or just where you shouldn't.
Hotel Owner: Listen up everyone! I saw one of you giving birth to a general in the burns unit this morning, and I wanna know who!
Confused Man: What?!
Hotel Owner: Someone shat in the shower.
Confused Man: What?!
Hotel Owner: Someone shat in the shower.