look up any word, like rimming:
Noun. Huge lumbering creature with massive breasts, ferocious appetite and very slow, ungainly walk.

Derived from Greek: preggo = "knocked up chick" + sauros = "lizard".
"Wow, I didn't see Nicki for ages since she got knocked up. She's a real 8 month preggasaurus now.
by Wizards Sleeve June 11, 2006

Words related to preggasaurus

chubber chubby chick dinosaur knocked up milf preggo pregnant