Some idiot attempts the deadly knockout game on an innocent girl walking in...
A bully attacks another girl and knocks herself out. Karma is a bitch.
This girl spit in a guy's face and tried punching him. She got instant...
An anesthesiologist lets this guy knock himself out right on the table.
This store owner doesn't tolerate stealing!
Here's the top 20 knockouts in UFC history.
Oooh, that was a cheapshot!
Epic Taekwondo Knockout, He never saw it coming.
If you throw a punch you better be prepared to take a punch.
I would be angry if I was the guinea pig for that demonstration.