shizzelnoggin Share definition Flag a derogatory term for smart people, also if someone does well on tests quizzes or are just beasts at life. "woah that girl got straight A's" "well duh shes a shizzelnoggin" "good point" "yeah what a beast" shizzelnoggin by AWESOMENESS KE February 15, 2010 0 0 Get merch Get the shizzelnoggin mug. Buy Now — $32.95 See more merch