The funniest pranks are the ones that backfire! Check out these epic prank fails and watch what happens when pranks go wrong! Click to SUBSCRIBE for mThe funniest pranks are the ones that backfire! Check out these epic prank fails and watch what happens when pranks go wrong! Click to SUBSCRIBE for mThe funniest pranks are the ones that backfire! Check out these epic prank fails and watch what happens when pranks go wrong! Click to SUBSCRIBE for m