jewnado Share definition Flag When a jew freaks out about you asking them for spare change to cover a purchase. After I asked Mr. Goldstein for quarter to cover my lunch, he went on a jewnado, ranting and raving about how I should be fiscally responsible for myself. jewnado by mujazzman May 8, 2008 0 0 Get merch Get the jewnado mug. Buy Now — $32.95 See more merch