-An abbreviation for "The Demon"
-A person who gets on everyone's nerves, who is constantly avoided, and who you will never get along with. The person you never want to hang out with or talk to. A dickhead.
-"The deem's on his way home, let's dipset."
-"What time's the deem bout to be here?"
-"3"
-"Fuck that, I'm out."