To be extremely high on a class A drug namely ecstacy.
"These pills have got me so soyed."
by Lucas Shead May 25, 2007
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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 28, 2008
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A word unpronounceable by Microsoft Sam.
Microsoft Sam: My roflcopter goes soi soi soi soi soi

You: What the hell is swa?
by The one and only guy July 15, 2009
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