Twatasauras 

A woman with a big loose vagina, usually woman 40 years old and older

That cougar sure knows how to fuck.....she has a twatasauras

Twatasauras by Ktm_690 October 8, 2011

Twatosaurus

A person being a huge pain in the ass, whom you have a strong disliking for.

Or A very large vagina

Did you see Kaleigh today?
Was she being a Twatosaurus as usual?

Oh my God thats the biggest vagina Ive ever seen, its a Twatosaurus!

I got nervous her Twatosaurus was going to devour me

Twatosaurus by Eliza Pompus September 23, 2011

twatasaurus rex 

a large hairy vagina.

look at that hair coming out of maddies bikini. she is one hell of a twatasaurus rex.

twatasaurus rex by chris lucas April 26, 2006

twatasaurus rex 

1. A female sexual predator.
A female exhibiting vile, offensive and inappropriate sexual behavior.

"That twatasaurus rex tried to take my boyfriend home while I was in the bathroom".

twatasaurus rex by Maura Greene November 6, 2006

Twatisaurus 

A crazy, and often, a certifiably insane female. Characteristics of a twatisaurus (Also known as a Twatisaurus Rex, or Twatisaur) include irritability, ignorance, lack of care for others, stupidity, and many other symptoms.

A twatisaurus resembles a very angry dinosaur on a rampage. See "PMS."

1. Krystal is such a twatisaurus when she isn't on bipolar medication.

2. Wayne only dates dumb twatisauruses that are half his age!

Twatisaurus by ChipmunkCheeks89 October 24, 2011

Mystical twatasaurous 

the vag u can never get....

"goddamn i had a dream last night about that mystical twatasaurous..."

Mystical twatasaurous by golden shaft July 29, 2009

twatasaurus 

a big fat fuck which annoys all (aka curtis milligan)

curtis was a big fat twatasaurus and still is :P
btw he likes bum sexxx

twatasaurus by lauren and joe : teh sexxx February 8, 2008