Top definition
a person who is considered too old or inept to keep up with the latest technology. Often, the person will purchase the newest gadgets, but will rely upon a younger generation to help them use it.
"James is such a retardosaur, he bought a new iPod, but he doesn't have the faintest idea how to use it"

"I am so tired of downloading Bill's pictures from his digicam, he is such a retardosaur."
by cyberbulldog September 30, 2009
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