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1 definition by Harv2234

 
1.
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!
by Harv2234 February 01, 2009
26 11