stacky wacky Share definition Flag When five or more gay people get on top of a bull and ride while attempting to ride each other. Me and my squad did a stacky wacky for 5 hours last night, and then we couldn't feel our legs afterwards! stacky wacky by american clasic October 17, 2017 0 0 Get merch Get the stacky wacky mug. Buy Now — $32.95 See more merch