What is Jam Up?
1.
adj.
Used to denote something incredibly extraordinary, awesome or amazing. Not to be confused with
(1)Wow, did you go to Chad's house the other night?!? That guy knows how to throw a jam up party!
(2) How about that girl named Whitney at Chad's party? Man, she has a jam up
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1.
A Knuckle-head McSpazatron is a very, very silly person. Is used as an insult.
First use was recorded in the SpongeBob SquarePants movi..