1: A pregasaurus is a pregnant woman that that will destroy anything thats in the way of her and her food.
2: a pregnant lady that will eat anything, its a omnivore (eats plants and meat)
1; Quick everybody hide there's a pregasaurus coming and shes on a war path.
2; jason: hey man who's chocolate is this
brett: i wouldn't touch that it belongs to a pregasaurus
jason: oh shit that was close man that could have been my
brett: yeah man them pregasurus are vicious creatures
A large pregnant woman that is usually 6-8 months pregnant. Her belly is quite large at this time and is very irritable, resembling a dinosaur.
In a restaurant:
Tom: You see that pregasaurus over there?
Dan: Hell yeah! How can you miss her?
Tom: Just stay away from her or else she'll make you extinct!