kill rag 

A piece of cloth or rag, usually an article of old clothing, that serves as the desginated depository for semen after masterbation.

"I was totally embarrassed when my girlfriend found my kill rag in the dresser."

kill rag by M-Dogg82 November 25, 2006

Rage kill 

To become so enraged you begin immediately killing everything in sight.

Friend 1: "We were playing a video game last night with 5 friends and messed with the wrong guy. Dude start rage killing the crap out of us and followed us around for a half hour."

Friend 2: "That sucks dude."

Rage kill by infantryscoming August 6, 2010