Episode 10 Season 14 What's Up Grandma! World's Dumbest Season 14 - Ep. 10 At a tailgate party, this senior shows some sexy dancing moves. Replay Share 5 Up Next Birdman Breakage World's Dumbest Season 14 - Ep. 09 Up Next World's Dumbest Birdman Breakage World's Dumbest Kite boarding Butt Slam World's Dumbest Sculpture Scaler World's Dumbest That Little Girl World's Dumbest Miss Hannah Minx Teaches Japanese World's Dumbest 911 Abuse World's Dumbest Season 14 Episode 10 What's Up Grandma! At a tailgate party, this senior shows some sexy dancing moves. Facebook Share on Twitter Up Next Birdman Breakage This daredevil misses his mark by a little and he pays for it big time! More From World's Dumbest World's Dumbest Naughty Baristas At this drive-thru coffee shop the sexy baristas offer up more than just coffee. World's Dumbest Muddy Tough At this mud soaked event participants have to crawl thru electrical wires to show how tough they are. World's Dumbest Tree Humper What better way to show your love for nature then by humping a tree? World's Dumbest Applying To A Job, Naked Getting naked is ONE way of trying to land a job at a welding shop. World's Dumbest Biker vs Plywood At a bikes and babes stunt competition one biker tries a really stupid stunt. World's Dumbest Weaves Held High Weaves start flying during this girl on girl on girl gas station brawl. World's Dumbest What a Prick Jumping onto a cactus can only go one way....painful. World's Dumbest Keep On Truckin The luck of the Irish is nowhere to be found during this truck rally. World's Dumbest Off Road Family Adventure A dad thinks it's a good idea to take his whole family along in a four wheeling competition. World's Dumbest Showtime In The Showroom This guy loses his patience waiting outside a car dealership so he decides to drive through it. 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.