a condition acquired from staying in plastic police cuffs for an extended period of time. (when wrist turns - cracks are audible)

"Cop my Joint" is an abrupt term meaning "Suck my Cock". This saying is to be used as an abrupt come back to some moron who is trying to slag you in front of your friends. This saying is best used in large crowds and your opponent is surrounded by his own friends. This will ensure maximum embarrasment to him or her.