whoops for days Share definition Flag Any motorcycle/ATV trail consisting of a mile or more of steep humps packed close together mostly around 2 feet tall. This morning we took a wrong turn on the trail and ended up riding 'whoops for days'. whoops for days by mreverting September 19, 2007 0 0 Get merch Get the whoops for days mug. Buy Now — $32.95 See more merch