A variation of the word Cock used on gaming servers that do not allow profanity in order for the gamer to avoid being banned. Most oftenly used when repeating movie quotes from Jay and Silent BobStrike Back.
Vitapimp: Mooby is a 1337player because he loves the COCK!
Noob Admin: Stop using profanity or you will be banned!
1. As in, "the rabbit 'cacked' him last night" ~Who Framed Roger Rabbit?
2. Gino, gimme the gat, we're gonna cack this prick and then chop him up at Sammy's.