coonatic Share definition Flag Dark Skinned Maniac; One of African American heritage who acts crazy When he came home and saw LaVondra in bed with his boy TyJoneses, LaHenry went ape shit and started acting like a coonatic. coonatic by CoonTastic June 28, 2014 0 0 Get merch Get the coonatic mug. Buy Now — $32.95 See more merch