2 definitions by ChipmunkCheeks89

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!
by ChipmunkCheeks89 October 24, 2011
Anyone with this last name (besides anyone named Krystal) is FUCKING AMAZING!!! If you get divorced and lose the Roock name, it sucks to be you. If you're a Roock, be proud, you're a sexy beast!!!
1. Mr. Roock is so sexy and he has such a large penis to boot!

2. Mrs. Roock is the hottest person ever. I wish I could be a Roock...
by ChipmunkCheeks89 October 24, 2011

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