fuckstump Share definition Flag 1. A small penis. 2. Insult. 1. "Aw... Look at your lil' fuckstump." 2. "Get over here you knobgobbling fuckstump!!" fuckstump by Max W. Gore March 13, 2008 0 0 Get merch Get the fuckstump mug. Buy Now — $32.95 See more merch