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1.
-noun
1. One who is skeptical of technological developments until their usefulness and reliability have been proven.
2. One who insists on minimalist equipment that may be user-serviced.
3. Sagacious but irritable expert.
4. A person who prefers natural and/or organic materials over metals and synthetics.
1. He's such a retrogrouch; he's still riding a bike with a Brooks leather saddle and friction gear shifters.

2. That retrogrouch is still using a film camera.

3. If it's not made of wood, it's not a real sailboat, as far as that retrogrouch is concerned.

by macungie September 25, 2008
 
2.
One who is too stubborn to learn new technology.
That retrogrouch refuses to learn how to e-mail.
by Turnspike February 09, 2003
 
3.
A really cool liberal blog at www.retrogrouch.net
by Retrogrouch September 29, 2003