mudduck Share definition Flag Adjective to describe an ugly female. Mud is for the make-up caked on, and duck because she's no swan. Nah, I ain't fuckin' that mudduck you can have her! mudduck by SHIPoNE March 10, 2005 0 0 Get merch Get the mudduck mug. Buy Now — $32.95 See more merch