A guy riding in the backseat of a car leans out of the vehicle to try to push someone riding on a bike. He's delightfully unsuccessful and instead falls out of the car and bashes his face on the bumper of another car.
Check out this video in which a guy in a grocery store decides to grab the ass of a female shopper. They say that karma is a bitch...well that's what he was calling her because she kicks him and knocks him down spilling all his groceries.