Episode 07 Season 13 Fire Under Your Ass World's Dumbest Season 13 - Ep. 07 Two friends play an unusual drinking game that involves toilet paper, fire and their behinds. Replay Share 5 Up Next Happy Barf-day World's Dumbest Season 13 - Ep. 07 Full Episodes World's Dumbest Up Next World's Dumbest Happy Barf-day World's Dumbest World's Dumbest App World's Dumbest Bollywood Brawl World's Dumbest Crab Grab World's Dumbest Knocked Out Cold World's Dumbest Can I Have Your Autograph? World's Dumbest Season 13 Episode 07 Fire Under Your Ass Two friends play an unusual drinking game that involves toilet paper, fire and their behinds. Facebook Share on Twitter Watch Full Episodes Up Next Happy Barf-day This man gets a happy birthday wishes that he will never forget. More From World's Dumbest World's Dumbest The Flame Boyant Chef The "Flame-boyant" chef displays his nontraditional ways of tenderizing meat and gives a new definition to "well done." World's Dumbest The Horse "The Horse" puts his testicles to the ultimate test. World's Dumbest Barely There Conveniently, this drunk driver is already prepared to be strip searched. World's Dumbest Breaking Bag This is why you should always double bag the loot. World's Dumbest Motorcycle Gods Wheelios, God of motorcycles, slacks off on the job. World's Dumbest Musically Busted The new musical that's not coming to a theater near anywhere, anytime, ever. World's Dumbest Near Death Stupidity Jet ski's are like cough syrup, they're only fun if used incorrectly. World's Dumbest Straw Hat Law Should traffic laws apply to horse and buggies? According to the "straw hat law" they don't. World's Dumbest Taco 911 An animated look at how police respond to this man's taco emergency. World's Dumbest Big Oily Fun When the hot oil wrestling champion is pinned against a larger opponent things start to fall apart. World's Dumbest Amateur Rappers Hide In Alaska Alaska is the new home to up-and-coming rappers. World's Dumbest Fireworks Destroy Boat Parade A sad boat parade livens up with some accidental fireworks. World's Dumbest Santa's Military Rescue Operation A daredevil Santa Claus calls in for backup when he gets stuck during a dramatic entrance. World's Dumbest Eager Boxer Gets Bloody Chin The American basement is home to innovation and bloody violence. World's Dumbest Policeman Destroys National Anthem A mumbling police officer shows off his patriotism with a terrible version of the National Anthem. World's Dumbest Spinning Leaf Blower Catastrophe There's a reason that carnival rides aren't made out of gardening equipment. World's Dumbest Sinister Rodent-Shocking Machine Eliminate pesky squirrels chowing down on your bird seed once and for all. World's Dumbest Spinning Leaf Blower Catastrophe Eliminate pesky squirrels chowing down on your bird seed once and for all. World's Dumbest The Perfect Wallet For Your Bra The Rack Trap helps protect your most valuable possessions...in your bra. World's Dumbest Coffee Shop Of Horrors Unbelievable things can happen on a typical coffee break.