dickmo Share definition Flag In ancient (2001) English, this word relates to the being and actions of the male anatomy, or simply, a stupid, retarded person. "Quit humping yer own dog ya dickmo!!! " "You ran over the mailman you dickmo!" "Dickmo!!!" dickmo by M-Bomb September 26, 2004 0 0 Get merch Get the dickmo mug. Buy Now — $32.95 See more merch