Rudumbscious Share definition Flag Adjective to describe someone who is rude, dumb, and selfish. "My roomate always looks at her phone, when I'm talking to her; she is so rudumbscious." Rudumbscious by Yolo2million May 11, 2019 0 0 Get merch Get the Rudumbscious mug. Buy Now — $32.95 See more merch
