a really hot guy who's also a giant nerd that plays League and probably watches anime idunno
Someone: Who's that?
You: Probably a zassy.
by miscellmaniac October 27, 2016
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to get offended by something insignificant or for no reason at all
Because someone didn't ask politely enough, John got annoyed. He was acting Zassy.
by Zassyboi January 20, 2016
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