1 definition by Anonyymisynonyymi

Meaning a character that 100% deserved better than what they ended up getting.
"Rantaro" is often used to refer to a boy with light green hair and a hot body. The boy often also radiates "fuck boy energy", although they are sweeter than it seems at first.
Person: Omg, I just finished the show and the protagonist is a total Rantaro!

Person: Why are the Rantaro characters always so hot? It's not fair!
by Anonyymisynonyymi May 23, 2020
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