noun. The creatures that take residence in every college dorm room or apartment, they are directly responsible for the loss of "completed homework", giving college students the urge to procrastinate and get on facebook or urbandictionary. These sneaky devils throw college student's clothes all over their rooms while they aren't looking and make their rooms messy.
"Dude what happened to our clean room?"
"I don't know man, I was just watching TV and a dorm dwarf must have messed it up."