Top definition
a grumpy person. may or may express said grumpiness with non-human like grunts and sounds. definitely pouty and brooding.
An unexpected snowstorm in April turned Graham from a happy, human boy into a decidedly brooding grumpasaurus.
by Siducci April 17, 2007
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Apr 24 Word of the Day
A cultural and aesthetic mind-state that prioritizes making money, even as an “underground” or “radical” creator. The work isn’t made for money, but it’s the money that matters the most.
“Dude, his stuff is pretty out there but he’s still pretty Finance Punk.”
by Pop Pop Bienstock April 01, 2021
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2
When someone gets tired and extremely grumpy
Why are you so grumpy right now?

"im tired"

no your being a grumpasaurus!
by tc61 April 22, 2011
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3
A dinosaur that is exceptionally grumpy, this term can be used to describe a woman when she is grumpy especially if she also looks like a dinosaur
guy#1- omg susie was in such a mood today.
guy#2- yeh and she is so fucking ugly
guy#1- what a grumpasaurus
by gapppo June 08, 2010
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4
A live-in partner or spouse, usually a wife, who is never happy in the morning. You will know her by the shrieks from frightened small children as they attempt to avoid her unquenchable fiery wrath by throwing the covers over their heads.
Dad: Oh no! Here comes a grump a saurus!
Kids: (Squeals of terror)
by Granitej3 December 01, 2019
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