A man rides an electric skateboard indoors and falls off. hoverboard
A man attempts to jump off a roof and into a pool. At 0:18, he slips and falls in on his back. DON'T USE THIS CLIP - DANGEROUS AND IMITATABLE
A man goes down a slide outdoors when his shirt gets caught and comes off of him. Vine/instagram.
Several kids scream next to a log ride at a theme park. Most of them run away and the water splashes the one boy that stayed.
A man does a handstand off a chair and counter in the kitchen and his foot gets hit by the ceiling fan and he falls down.
A dog carries a large bone in his indoors and is unable to fit it through the opening on a door. He paws at the door repeatedly, then drops it, walks to the other side of the door, and tries to pull the bone through before he gives up.