1 definition by McBüb

Ahjoona mcjoona, aka arbooba, aka boobjinasex, aka mcsexasex, aka sexsexasex, aka mc, is a type III threat to intergalactic stability. Current location unknown, but some scholars speculate it’s been hiding on Earth since bombing the Milky-Way Central Command (MCC). Will be provoked at the slightest hints of aggression—do not, under any circumstances, exclaim “Hello, Mc!” in its vicinity. Offspring: Arjanal, Arjinal, Arjoral. Parents: T. Rex, Asteroid.