This is when a male stands naked with his legs spread and thrusts in a forward and backwards motion making his spam dagger slap against his bare skin. This is often used as a dance of celebration and joy.
Girl with lip piercing: Do you guys want a 3 some?
Craig: Hell yeahhh *performs willy dance*
Dance made famous by University of Kentuckybasketball player John Wall. When introduced at Big Blue Madness 2009, he indulged in the cheers by doing a simple dance where he flexed his arm to the left, then to the right all with one hand.
Me: yo. wanna know what gets the girls?
Friend: what?
Me: the john wall dance!
Friend: The one where you flex your arms left and right?
Me: You got it!
1) the dance performed by someone using a wall to aid their balance when too drunk to stand on their own
2) to perform a series of sloppily uncontrolled movements, typically the flailing of limbs and other extremities while leaning on a wall, as the result of binge drinking
Jesse: "Shit... Eric's wall-dancing again..."
Jason: "Nice. I gotta see this..."
Eric: (leaning against wall) "Ayyyy.... Iiimdooonnnjussss... *mumble-mumble*... shots... *mumble-mumble*..." while spilling his drink and hiccuping...
Jason: "...Hmm... I don't think he's drunk enough. Grab the Patron"