Discretion is the better part of valour.Dude, I would have ordered a pay per view movie, shit in the bed (s), plugged the toliet with towels & gave it a flush on the way out the door.
1st, that girl (and her "friends") are not going to quietly accept your payback
2nd, the hotel (assuming it's a major chain) are not OK with criminal damage ....a complete review of all their security cameras will be initiated.
Think before you act