Watch Butcher Boys Full Movie Free Online 123Movies. A gut-wrenching, non-stop roller coaster ride through the hellish underbelly of inner-city America. A birthday celebration at an upscale restaurant sets in motion events that bring Sissy, her brother, Mikey, and friends, Kenny and Barbie, face to face with the macabre world of the Boneboys. Inspired by Jonathan Swift's cannibalistic tale A Modest Proposal, the Boneboys are international predators who deal in human flesh - dead or alive. Their hunting grounds are the cities of the world.