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

Titosaurus 

A girl with tits so large that they would be proportionate to someone the size of a dinosaur.

Did you see the rack on her, she was a real Titosaurus, I'd love to motorboat those monsters.

Titosaurus by Jay bonjo July 15, 2009

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

Twackosaurus

A person who converts from a "human" mentality to a "dinosaur" mentality after extended periods of sleep deprivation. The Twackosaurus has its own mating call and squawk.

Jemerica became a twackosaurus after being up for 72 hours without sleep and began squawking "cooo ca choo" at her dog.

Twackosaurus by keithomatic March 15, 2009

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

Thotosaurus 

The Thotosaurus is a prehistoric species, That once dominated clubs and street corners, but now is out of its prime. A Thotosaurus is an evolved version of what we now we now know today as a bona fide thot. Also see cougar teradacthoe and thotabe.

"Hey kids, if you look to your left you will see a group of Thotosauruses."

"That chick ain't a Thot! She outta her prime, nigga. She just a Thotosaurus!"

"Hey bro, look at that chick. She looks hot from here.

'Nah bro, that ol' broad's looks are deceiving! She just a Thotosaurus!'"

Thotosaurus by Brodictuonary November 13, 2015