kah-kah koo-koo Share definition Flag Unstable and moderately insane. "Hey, that thing’s going Kah-Kah Koo-Koo." kah-kah koo-koo by zeef4293 March 31, 2025 0 0 Get merch Get the kah-kah koo-koo mug. Buy Now — $32.95 See more merch
