A jerk Share definition Flag Someone who dances the jerk. You have to have the attitude and be able to get off in a jerk off dance. ThemPRanger$ go hard. They are each "A jerk" because they jerk. A jerk by N0L4nFR31T4$ December 29, 2009 0 0 Get merch Get the A jerk mug. Buy Now — $32.95 See more merch