Someone who gets completely jacked on cocaine. Sometimes this person will brag about how many drugs they have consummed to certain people and other times they will flatly deny any sort of drug use altogether. But, generally speaking, this person will get high and act like a jack-ass.
After a two eight-ball Friday night, Sergeant Schnee showed up and seems to be holding boot camp! Jock Rock sure does like to drink and do blow on the weekend. He'll deny doing any of it on Monday!