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.
Discretion is the better part of valour.
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

