(droog)
(n.) A young ruffian, gang member, or accomplice

This word was adapted into English from Russian, where the slang word "drug" means "friend." Apparently Anthony Burgess was the first to use "droog" in this way, in his 1962 novel "A Clockwork Orange."

"How long ago it seems since the New York Times referred to the spray-can droogs of the subways as 'little Picassos.'"--Times Literary Supplement, April 1984