One who lacks proficiency and competence within the field of computers to the extent at which he or she is an annoyance to others. A computard is prone to asking inane questions requiring one to break an explanation down to mere two word steps consiting of one verb and one noun (i.e. move mouse, click icon, etc).
Dude, this one computard once asked me how to extract a zip file and I was like "Dude download WinRAR" and he was like "how do I download" and I was like "WTF dude".
To extend one's knowlege of computers upon another through assistance in repair or troubleshooting. This term is generaly used in contempt when one wishes his friend or family member did not know of his computer talents.
Ah damn, I have to go compuwhore for my mother-in-law who bought a fuckin' eMachine.