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derived from "energy drink." Energy drunk is a mixture of alcohol and any type of energy drink.
cop: Hey, you cant drink alcohol in here.

drinker: Oh man, i spent all day mixing this shit

cop: Wait dude is that energy drunk? Gimmie some of that shit bitch
by neep15 August 14, 2009
The feeling of losing sobriety due to a mixture of energy drink consumption and sleep deprivation.
We were energy drunk and we couldn't stop laughing for no reason at 4 am on a sunday morning.
by Fred Riahi June 10, 2006