Chubby nubbin Share definition Flag The actual meaning is referance to a large clitoris; however, the phrase is ironically used to describe a small penis. Jacki: "Haha look at his package!" Emily: "Omg what a chubby nubbin" Chubby nubbin by The Hallzmeister October 15, 2008 0 0 Get merch Get the Chubby nubbin mug. Buy Now — $32.95 See more merch