El Coo Cooi Share definition Flag Spanish slang used by chicanos to describe the devil, the boogyman or monster. If the kids are not listning you can tell them "El Coo Cooi is going to get you! El Coo Cooi by fatty1980 July 9, 2010 0 0 Get merch Get the El Coo Cooi mug. Buy Now — $32.95 See more merch
