Someone who is technologically challenged or retarded.
Joe's internet was not working because his ethernet cable wasn't plugged in to his laptop. What a nettard!
by Count Zackula November 02, 2005
One who makes a fool of oneself, either in a controlled recording or via a hidden camera, and is immortalized when said video is uploaded to and viewed on the internet.
"LOL, that guy is a complete and utter nettard!"
by Jacobbbbbb October 23, 2007