Motherdick Share definition Flag From The Walking Dead. Is said by Abraham in the most badass scene ever. Walkers swarm the area. Everybody starts to panic and Abraham just smiles and says "Motherdick." like a badass. Motherdick by ZyCeGrubby March 5, 2016 0 0 Get merch Get the Motherdick mug. Buy Now — $32.95 See more merch