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Robasaur is a nickname only given to a sexy man named ' Robbie'. These boys have to be very lucky to get this nickname. If you land this nickname you are the ultimate sex god to every girl.
Sally:" Did you have fun with Robbie last night?"
Me:" Yeah he is a total Robasaur!"

Sally:" Lucky you"
by Lily Halpern May 05, 2012
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