Ner-cool Share definition Flag Pronouced: NUR-KOOLTo be both Nerdy and Cool at the same time. Joey's robot that he made at Science Camp shoots Marsh- mellows, that is so Ner-Cool! Ner-cool by livlaughlove4554 February 25, 2011 0 0 Get merch Get the Ner-cool mug. Buy Now — $32.95 See more merch