Someone who can't / never will never go to college, but hangs out in / near the dorms and fucks everyone to make friends, usually getting passed around like a pipe full of really good weed. Usually with people they meet on MySpace. Dorm whores can be male of female, but usually gay males who just came out. See also: campus cunt, slamhound, walking std
Dustin Jackson (made it up) met this guy from USF on MySpace, went back to his dorm, and now he's the nightly favorite dorm whore.