Backflip Backfire
fail
fail
A spark Got In 150 fireworks and boom!!
A homemade rifle backfires, resulting in a burnt hand and humiliation.
the old antiqueing prank goes wrong and backfires on a friend.
This college interview prank backfires pretty quickly with hilarious results.
This guy tries to prank his buddy with the classic shaving cream prank but it backfires on him.
kid makes baking soda vinegar bomb when it imploads and backfires at him
and again
She's no Palin.
prank
Kids Retarded Prank Backfires!
Motorcycle Stunt Totally Backfires
epic fail with sword
A water bowl prank on my friend Kai back...
A remake of a previous animation, but th...
Sometimes scaring someone can have painf...
Peta and Stephen transform Chriss apartm...
it turns out that our deer hunting trip ...