something not exactly right, lacking something of good value.
Man, that joke was soy, like it was missing something that coulda made it nice.
by LilBibby2342 July 19, 2005
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Noun: One who pretends to be female for months over the internet, and may date a male for power/items/etc, then reveals himself as the male he truly is.

Verb: To pretend to be another gender (usually female) on the internet. To date someone over the internet pretending to be a different gender.
1. That soy ... he's horrible.
2. MAN, I JUST GOT SOY'D.
by LoLuMaD?!?1 January 24, 2008
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Arby: What the fuck was that?

Chief: My ROFLCOPTER, it goes soi soi soi soi soi soi soi.
by Brian Collins March 30, 2008
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The spelling for that funny noise you on youtube videos that microsoft sam makes. Also, master chief uses it in an episode of arby n' the chief made by digitalph33r.
Arbiter: What the hell is this on my back? I'm stupid?
Master Chief: Soi soi soi soi soi soi!
by Adam Carrizales June 29, 2008
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Player:Look! It's a roflcopter!
Roflcopter:(zooming over head) soi soi soi soi soi!
by Piemagnet June 29, 2008
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