Definitions by Peni S. Gigantor

Cack 

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"

Cack by Peni S. Gigantor September 6, 2007