Definitions by Robert Petreson

wonkyu 

A complete retard, lacking in ALL basic skills such as speaking, writing, reading. Or a person who isn't mentally retarded, but gives off an impression of total retardation.

Holy crap, my teacher is a complete wonkyu.
Yo that dude ran across the street, what a wonkyu!

wonkyu by Robert Petreson December 15, 2008