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1.
The name given to a large or older woman who is a little promiscuous.

or

A large or older woman who hunts easy prey for sex
Did you see that bird Dan pulled? She was a proper fuckersaurus.

or

Don't go there, shes a real fuckersaurus.
by Fitsy December 03, 2009

Words related to Fuckersaurus

bird fuck fucker promiscuous saurus