numbscub Share definition Flag The word numbscub is similar to numbsckull but is like calling someone a noob. You and your friends are watching skateboarders and a guy does a dumb move and you say "that guy is such a numbscub." numbscub by LoraLy September 30, 2010 0 0 Get merch Get the numbscub mug. Buy Now — $32.95 See more merch
