Top definition
The act of being absurdly awesome.
Lets do a kotaro this weekend.
by Anonymous Panda October 12, 2013
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2
the perfect human. while it may be having a massive penis, being popular among with girls, is smart. a kotaro is someone who is loved by the large majority of people
person 1: dude, did you know about john?

person 2: yeah dude john is such a kotaro!
by Urdednan November 30, 2016
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