Beat The Shit Out Of Meaning

(idiomatic) To defeat (someone) decisively in a fight or a competition

Example: 1994, Eric Wilson, Strands, ISBN 9780871294104, page 54:
  He had beat the shit out of her. Almost broke her jaw.
1999, Reggie Miller with Gene Wojciechowski, I Love Being the Enemy, ISBN 9780684870397, page 58:
  I think if it was one game, winner take all, and everyone was in shape... I would have to go with Dream Team I. To tell you the truth, I think they would beat the shit out of us.