1. Cack. Adjectif, to describe to describe something displeasing or unpleasant.
Example: Ben Drank too much Redbull and Vodka and he is now cacking on the sofa.
Cack; a male penis of miniature size, so when looked at, it may appear to protrudestraight from the scrotum, or may also appear to be a bump or infected hair on the nut sack or scrotum. Cock-Sack.