smackadabadoo Share definition Flag Smacking someone's face hard like Fred Flintstone after his wife leaves him outside. I'm going to smackadabadoo your ass for your igonorance. smackadabadoo by ugottheclap46 October 19, 2021 0 0 Get merch Get the smackadabadoo mug. Buy Now — $32.95 See more merch