badome-a-dome Share definition Flag A person's large head. Badunkadunka is to booty what badome-a-dome is to head. See also Gadome-a-dome Damn, Reydante got a Badome-a-dome badome-a-dome by poncho the head honcho May 31, 2007 0 0 Get merch Get the badome-a-dome mug. Buy Now — $32.95 See more merch