Cuckopus Rex Share definition Flag A cross between a cuck and a mama’s boy with an oedipal complex. Man all those deplorables and proud boy incel creepers have a real Cuckopus Rex thing with creepy step-dad Ken Trump. Cuckopus Rex by El Borgninio July 5, 2018 0 0 Get merch Get the Cuckopus Rex mug. Buy Now — $32.95 See more merch