This unhesitating response to a woman's remarkably ill-considered attack is simply beautiful.
What a lot of grrrl power feminists don't seem to realize is that there are no shortage of young men who would never, ever, initiate violence with a women, but would absolutely relish the chance to lay the smack down on a woman dumb enough to start something with them.
I'm not sure which is funnier, the shock and horror in the woman's voice after the man responds to the second attack, or the fact that the blonde was dumb enough to try attacking the big guy a second time after he'd already made it clear that he did not consider her off limits.
Teddy Roosevelt once recommended speaking softly, but carrying a big stick. And part of carrying a big stick means being willing to use it. My policy with regards to women is exactly the same as it is with regards to men. Start nothing, finish everything.