Throwing a hotdog down the Grand Canyon Share definition Flag Like Throwing a hotdog down the hallway, but the vagina is much looser. That prostitute had sex so much it was like throwing a hotdog down the grand canyon. Throwing a hotdog down the Grand Canyon by agreensnowman August 17, 2014 0 0 Get merch Get the Throwing a hotdog down the Grand Canyon mug. Buy Now — $32.95 See more merch