A neeky person who is overly-fascinated by the sciences and spends more time with their calculator than on facebook. Rather than being embarrassed by their enthusiasm, a "dinosaur" is proud and they often distinguish themselves to others of their species by performing a "dinosaur dance" with their hands shaped as claws, often in public places.

Notable dinsoaurs would include Ross Geller of Friends and distinguished engineer Catriona McGill.
"ahhhh mate your such a dinosaur"
"Gosh, catriona is such a dinosaur shes whipping out the claws, trying to attract some scientists!!"
by madlibs88 April 27, 2010
giant deformed lizards that died when a comet blew up planet earth one. presently in planet earth two the experts believe these dinosaurs all went to hell because they were never baptized and they also ate eachother. a large ratio of these demon lizards also had horns and/ or wings which some believe were now related to the giant horned bat. some dinosaurs that lived in water blew up to.
Tyranosaurus rex- known to be related to lenny from of mice and men hes the really stupid big one that everything.

Brontasaurus- known as the "freaks" of dinosaur culture due to their long "necks" which were connected to their "heads"

Terodactyl- most difficult dinosaur to spell out. coolest dinosaur as well as well as the ugliest.
by Mr. Biig Brain Archebold February 27, 2010
a predator generally affiliated with drunkenness and hooking up on beds
elise is a dinosaur!
by little foot 1112 March 11, 2011
A DINO-saur is a conservative "Democrat In Name Only", also known as 'Blue Dogs' who despite belonging to the Democratic Party do not share its progressive ideals and when push comes to shove vote against those very ideals.
DINO-saurs might as well be Republicans, because many voted against the Health Care Bill (HR 3962 - The Affordable Health Care for America Act), even though both President Obama and a majority of Democrats favored the bill. They're at heart conservative and Democrats in name only.
by SFProgress November 08, 2009
used to describe the position of the body of someone who is standing straight up while puking. Their neck is strained foward, and their hands end up in some sort of T-Rex claw position
TOM:Steve you puked while we were at the bar last night you idiot.
STEVE: Oh yea?
TOM: Yea, but you you were also doin the best dinosaur i have ever seen.
by Rozz Greaze June 11, 2007
to be so poor that you stop being able to buy lotion and you grow scales
yo dog, i hope i don't lose my job, or i might fuckin dinosaur !
by Kuzya=Gosha October 11, 2008
A person who follows a group around and eventualy gets some kind of mean rejection from the group.
Derek your such a fucking anyoing dinosaur!
by sebastiano July 12, 2005
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