Most people talk like "oh, if he woulda said that to me, I would smash on that dude" but you never see them do it. I'm a pretty calm dude and I haven't just up and smashed on someone for saying something in forever but everyone has a line that if someone crosses it verbally that they probably would go off.
I used to be a loose canon but I'd have to say someone being serious about hurting my kids or wife or something like that although, I did raise up on this dude at work a little while back for calling me a wetback. I'm glad I didn't get fired for that cause I was pretty sure we were about to throw down
The only time someone ever said something to me that made me get violent was one time I was drinking with a "friend". It was like 9 in the morning, I just got back from work at 8, he had been up all night drinking... He started sayin' some stupid shit I can't even remember and I told him he needed to get out. I had the person who brought him take him out of the house before I beat his ass, and as I'm walking him down the stairs he says something about how he was going to fuck my girlfriend...
His friend just so happened to have been holding the door at the bottom of the stairs open so I kicked his ass down the last 5 steps, he landed in some bushes and I actually stomped the dude and gave him a good one when he tried to get back up. Luckily the guy he was with knew he was deserving of it and just kind of picked him up and got him to the car...
He was a dickhead anyhow and it was a long time coming. Dude thought he was tough and liked to flex his muscles and press my buttons for years when he got drunk and I shrugged him off every time. He went to rehab shortly thereafter, from what I heard.
Never talked to the guy since. He didn't even bother to call and apologize.
(cool story breh)