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(noun)- A person, particularly a roommate in college, who never leaves the room, may even bring his/her own food with them so they don't have to go to the cafeteria, and generally never gets out of their pajamas. The only time this person will leaver the room is to go to the bathroom, or a fire alarm
-My God Steve, does Evan ever leave the room?
- No, he really is a room troll
by harvey korman May 11, 2011