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.
by BringerOfWordsdom September 21, 2009
Get the Giving Birth to a General in the Burns Unit mug.