My best friend is a big ass Samoan (dude look almost exactly like the Rock) undefeated boxer. On the rare occasion I can drag him to a bar or something, he sits in the corner with his back to the wall to avoid exactly that. I helped him condition and train in highschool. That involved him hanging upside down while we pummel him with bats or fist to harden his core. His fist are like giant hammers. He regularly manhandles 500lb+ equipment solo at work. He is a genuine bad motherfucker. Its both terrifying and wonderful to see it happen. And I've seen him one-punch on some sperg who thinks hes a badass 6 times. Some big dudes think being big alone is enough, and its not against someone who knows what they are doing, and has honed it into an art, so much so that they like going into long autist-level discussions about the physics of it.