OG n.— «He had had his locker “kicked”—broken into—before, but usually managed to retrieve his possessions by appealing to gang members’ OGs, the older “Original Gangsters” who supervise the criminal conduct of...
yard dog n.— «The yard dogs—prison vernacular for guards—were already baying. Someone had issued a Signal 3, a man-down alert, and guards descended from all directions.» —“Gang life at prison on trial in murder case” by...