The Collaborative International Dictionary of English v.0.48:
dork \dork\ (d[^o]rk), n. 1. a person who is stupid, socially inept, or ridiculous; -- always used disparagingly. [slang.] Syn: nerd; jerk. [PJC] 2. the penis. [vulgar slang] [PJC]WordNet (r) 3.0 (2006):
dork n 1: a dull stupid fatuous person [syn: jerk, dork]