A teen boy holds himself up to balance on a pair of crutches repeatedly indoors before he loses his balance and falls down. Vine/instagram.
A man runs at a tree to try and climb it but ends up crashing into it.
A man pitches a baseball to his girlfriend outdoors and when she hits it, it hits him behind the camera and he falls.
Two dogs run around in circles in the backyard. They don't see each other and collide / crash into each other hard.
A woman holds six boards in front of her indoors as her husband, dressed in karate uniform, kicks the boards and causes them to fly at the woman's face.
Teen boy dunks on basketball goal in driveway, goal collapses, boy falls in yard.
Pitcher beaned by batted baseball
A man runs at a slab of plywood with a large stick. He pokes the plywood and drops the stick, but as he walks away, the plywood wobbles and falls on his head. Bonehead
Two young men wear shock collars outdoors and run past an invisible fence. One of them yells in pain while the other falls to the ground from the shock.
A tot girl jumps excitedly and holds her hand out beneath a flying fairy toy before it hits her in the face and falls on the floor.
A man instructs his young daughter on swinging a bat at a pinata in a garage by holding his hands over hers on the bat. The man swings for her with such a force that she is swung over his knee and she cries.
2 men hit a tree house on stilts until it collapses. Men run away from falling house & man falls over a cart. Construction. Boneheads.