Cocofuckin'nuts Share definition Flag Expression of Disbelief,Disgust.Insane. Cocofuckin'nuts! Did you see that Flying Saucer? Wrecked the car again? Well,Cocofuckin'nuts.That noise is going to drive me Cocofuckin'nuts! Cocofuckin'nuts by Waboa February 13, 2009 Get the Cocofuckin'nuts mug.