goonie boon Share definition Flag A goonie boon is a nut house where crazy people live, also known as an insane asylum. While at work dealing with customers who drive us nuts, Anthony and I feel like we are going to wind up in the goonie boon. goonie boon by DougieDinos January 13, 2011 0 0 Get merch Get the goonie boon mug. Buy Now — $32.95 See more merch