Wooly Assbumper Share definition Flag A sheep shanker. One who engages in sexual acts with sheep. "I seen Colin Leaving the barn again last night. That wooly assbumper." Wooly Assbumper by BigChedda July 11, 2014 0 0 Get merch Get the Wooly Assbumper mug. Buy Now — $32.95 See more merch