the resident college student who never leaves their dorm besides to eat or deficate, usually spending copious amounts of time playing online computer games and updating their facebook status
I want to go in my room, but my dorm-bunny roomate has hung his underwear on the doorknob and is masturbating to world of warcraft at a high velocity.
A muff bunny is like a dust bunny but not under the bed. Muff bunnies happen when a little bit of toilet paper gets caught in a muff and then is discovered by the tongue of a muff diver.