Top definition
A female of small build, like a bird, but large belly due to infiltration of male seed. Often walks with a waddle late in her term. Easily agitated with the ability to acquire a wide spectrum of moods in a short period of time.
The only creature more dangerous than the T-REX was the pregosaurus.
by okcmatt March 30, 2011
Get the mug
Get a pregosaurus mug for your grandma Nathalie.