Rental Bitch
Verb: To rental bitch is to borrow a strap on or dildo from a friend/coworker and proceed to shove it up the anuses of 10 people, male or female.

Noun: A rental bitch is a person borrowed for a brief period of time in which the borrower will make fun of the person in front of a group of people to temporarily make him/herself feel better.
Verb: The girlfriend broke up with her boyfriend when she found out that he rental bitched members of her own family.

Noun: Dude, I really fucked up on that test. I need a rental bitch pronto.