Nick name for an awesome male best friend, is typically shortened to Dyno.

A Dynosaur is typically very happy, very hyper, and really easy to love. He's one of the best people you will ever meet. Usually, Dynosaur is very popular but really cares about a few close friends. He's great with the ladies, but dedicated to just you if you're the one he picks. Don't pass up on a Dynosaur who loves you!
Kat: Look at that guy, he's so awesome.
Emma: Yeah, don't you know he's Dynosaur?
Kat: Omg. He's the coolest guy I've ever met.
by littlekookies January 20, 2011
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An ancient reptile dat used electricity to disable its prey.
I wonder if da electric eel evolved from dynosaurs?
by QuacksO January 14, 2022
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A Motörhead or grease monkey who is completely opposed to new or green automotive technology of any kind.
I wanted to show bill my new Tesla plaid, but he’s a total dynosaur, so he never wants to see new stuff.
by DanTHEmsn1973 July 21, 2022
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A Motörhead, gear-head, Zor grease monkey who refuses to embrace new technology
I wanted to take bill to see my new Tesla, but I remembered how he hated my wife’s Prius He is such a dynosaur.
by DanTHEmsn1973 July 21, 2022
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A motor-head, or grease monkey who refuses to accept modern technology. Particularly in reference to those who won’t accept electric cars, and other green technology
I was going to go by Bill’s house, to show him my new EFI on my Camaro, but I remembered how he reacted to my wife’s Prius, he’s a total dynosaur!!
by DanTHEmsn1973 July 21, 2022
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