1 definition by Peni S. Gigantor

Top Definition
All those in the US military receive a CAC card Common Access Card. This card is commonly refered to as one's Caack.

Bro Pilot: "Dude, you forgot your Cack again!"
Bro Pilot 2: "Yeah, I left it in the damned Cack hole"
by Peni S. Gigantor August 29, 2007

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