Adjective,a verbal variation of Rick-Rolling in which someone is responded to in the carlos mencia dee dee dee voice, denoting that the person who had been sumito'ed had just said something obvious/stupid. normally points are given to the person giving the sumito'ed response, no reason, but it does make things more interesting.
Friend (at bus stop): dude, is there a bus coming?
You (in dee dee dee voice): Uh, naw when do buses come to a BUS STOP? 500 points, you just got sumito'ed