A person so under the influence of alcohol that they regress to acting like a prehistoric creature (stumbling around, grunting sounds, arms moving like t-rex arms)
Troy Wood went full drunkasaurus last night. Shit was amazing to watch
by Johnnie Doey August 22, 2013
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1. To drunkely stumble around as though they were a dinosaur that was drunk. Ie bumping into things, being loud, and very in the way.
Allison Watts was such a drunkasaurus on the bus.
by Ewok Killer February 20, 2007
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someone who is under the influence of alcohol sketching out and being a mad shit show.
1. "eh yo, Guss; did you see Morene at that shake yesterday?"

"Yea dude; what a drunkasaurus rex"

2. "Hey, youre spiliing yer drink all over the place; calm down drunkasaurus rex!"
by juelle October 11, 2006
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The drunk person in your neighborhood known for doing yardward with a beer in one hand and lawnmower in the other; Also known for walking his dog while drinking beer;
Look! Drunkasaurus Rex is using the hedge trimmers! Better call 911 now!
by Trev's Mom April 19, 2016
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