Fuckersaurus

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.

Fuckersaurus by F1tsy December 3, 2009

fuckasaurus 

an obese woman who attempts to rape a man. after said rapage, she eats him cause she is no longer satisfied with other food

Kim is such a bad fuckasaurus, she never finishes the man.

fuckasaurus by Dylan Ver Way November 20, 2009

Fuckasaurus Rex 

An elderly individual who is highly sexually active

"I hear Quincy down in hall A of the Happy Homecomings retirement home is a fuckasaurus rex!"
"o rly?!"

Fuckasaurus Rex by Phantomman December 21, 2005

fuckasaurus cunt 

Very similar to the fuckasaurus rex but much more of a cunt. An old, sexually active twat.

You fucking fuckasaurus cunt!

fuckasaurus cunt by tapman kitchenklub October 21, 2010

Fuckasaurus 

1. Someone who is completely addicted to sex. See whore and slut
2. When a cuntasaurus rex meets a cockasaurus rex. It's HUGE.

1. Sally is such a fuckasaurus. She had sex with like 15 guys last month.
2. My huge cock fucked a big cunt last night.

Fuckasaurus by ohshitmyspeakerblewup February 23, 2011

What the fuckosaurus 

A time when you see something very ugly such as a siberian bridge troll or a ginger dragon.

Oliver: Holy shit dude thats her! Thats her!
Chris: Who the siberian bridge troll?
Oliver: Yes dude! What the fuckosaurus!

What the fuckosaurus by ilikeyourmom'sboobs September 30, 2011

Fuckosaurus Rexxx 

When a guy's Herculean penis is so huge you fear for the safety of your vagina

I screeched like a ptylerdactyl when I saw his Fuckosaurus Rexxx.

I

Fuckosaurus Rexxx by fuckgurlnumbr9 March 3, 2015