Insult implying that the insultee is a black person.
Roots: 'You are casey', pronounced 'You RKC', is an obvious reference to 'You Reggin K calb' (see reggin k calb).
Dude, Moshiqua, you are *so* casey!
I hear that Reggin K. Calb, famous comedian, is performing at O'Malley's tonight. He is casey, literally! Lol ;)
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