There's only so many times you can smash your head with a giant brick.
Will Ferrell throws a basketball at a cheerleader's head pretty hard.
This genius knocks himself out with a sheet of plywood.
Guy says f**k Allah in an Arabic bakery and pays the price.
Two guys get into a fight at the poker table.
Not only does he get ejected but he knocks himself out as well.
He can't block for sh*t. Next!
What happens when that risky attack goes wrong in a MMA fight?