Cukachoo Share definition Flag N. A wimp or someone who bails out on an event. Also a Killjoy. friend : " hey I don't know if ill go?" You: " Stop Being a Cukachoo!" Cukachoo by Uzacukacho August 5, 2009 0 0 Get merch Get the Cukachoo mug. Buy Now — $32.95 See more merch