Transcending dumb, often known to be the greatest degree of unintelligence and inadequacy (Frequently used as a noun or adjective)
Rothenbaum: Wow, I've never seen washer/dyer combos before! Only 25 cents for both!
Person 2: You're the freaking dumpe. You've only been drying your clothes for 5 weeks straight.. No wonder you attend Oak Park River Forest and like cyborgs.