bruiser

noun ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about bruiser at Wordnik → Where our words come from →

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. 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 machine for bruising oats.