Ah, I remember the day...
One of the guys in high school sort of matured ahead of the curve, great big kid, about 6'3" and around 190-200. That is, physically. He was not exactly a Rhodes Scholar. We had one history teacher who was famous for his cruel sarcasm, just no excuse for being that nasty when kids are there to learn. So one day the big kid asked a reasonable question and the history teacher was mecilessly insulting, really put him down beyond measure in front of the whole classroom.
The kid slowly stood up, walked up front sort of with his head down, sheepish and embarassed looking, and came up out of the south with a howitzer round of a fist and COLD-COCKED THE TEECH FLAT ON THE FLOOR HAAAH!
Out like a light. He was the school hero that day until he was kicked out, had to attend the other high school in town. He always swore it was worth it....