bruiser

noun

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. (broadly, colloquial, derogatory)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.”

   “So there, my dear Bertie, was I, within a few hours of my entrance into this town, with my top-hat down to my ears, my highly professional frock-coat, and my kid gloves, fighting some low bruiser on a pedestal in one of the most public places, in the heart of a yelling and hostile mob! I ask you whether that was cruel luck or not?”

   “While planning a recent move, I checked the pages of Majority Report, which lists women-owned and operated businesses and found a listing for "Truck You." […] Two women from Queens, and formerly of New Jersey GAA, Ulla and Mickey, came with their van and a successful move was accomplished without reliance on macho male bruisers.”

3. A machine for bruising oats.
4. A person who enjoys arguing with others.
5. 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.”