bruiser

noun5

1. •
   In contact sports, an athlete whose size, strength, and/or aggressiveness make it likely that they will cause athletes on the opposing team to suffer physical punishment.
2. •
   (informal) A tall, strong, heavily built person, usually a man, especially one prone to physical violence; a strong and tough person.

   • His "assistant" was a big bruiser named Pete, who, with his enormous shoulders and menacing scowl, was clearly present for the intimidation factor.
3. •
   A professional boxer.

   • Sometimes, when in the newspapers I happen upon descriptions of our modern bruisers and prizefighters, I wonder what chance the best of them would have had against him. — 1906
4. •
   A person who enjoys arguing with others.
5. •
   A machine for bruising oats.