to think highly of yourself. someone who rates them self thinks they're top shit at something or in some aspect, and are usually called out on it.

origin: Melbourne, Australia
Josh: *posts shirtless picture*
Billy: Do you rate yourself or something Josh?
Josh: Yeah man I do

Steve: Hey bro you know Damo?
Will: Yeah he's a tool man, he rates himself so highly
Steve: Yeah I could tell by the way he kept taking photos of himself
by kylizzlejenner May 30, 2015
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