Top Definition
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
de Eliza Pompus 22 septembre 2011

E-mail quotidien gratuit

Entrez votre adresse e-mail ci-dessous pour recevoir notre Mot du jour gratuitement tous les matins !

Les e-mails sont envoyés par daily@urbandictionary.com. Nous ne vous enverrons jamais de spam.

×