Top Definition
The action of running into a charged attack in the video game series, Super Smash Bros.
Person 1: Oh man, Ben just Unai'd.
Person 2: He keeps losing stocks because of that. When will he learn?

Person 1: Dude I was so nervous during Grand Finals of EVO, I Unai'd all my stocks away.
Person 2: Wow, bummer.
by ItsKingNando June 22, 2016
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