A word used to express agreement or satisfaction with either a statement, question, or idea. Can also be used simply to express excitement.
Slim Jim: Hey Fat Joe... is this bud dank or what?

Fat Joe: Yoy!
by Toke-A-Tron November 30, 2010
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A joke within Polygon Dount commet section and the comment section in a nutshell series
It is unknown but many people seem to know it but we just don't know
guy 1 : Yoy
Guy 2 : what?
Guy 1 : Yoy
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Defines the gayness of Polygun Donut
Dude 1: Hey YOY
Dude 2: Yes polygon is gay lmao
by TheGayOnewefdefefe November 14, 2020
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oh yoy! did you see that?!
by maza February 26, 2003
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The ethereal being of all creation. YoY sees everything and quietly listens to the soundtrack of Thomas the Tank Engine. YoY looks like a train with a long human nose. YoY stands on two stick figure legs and has no arms. Some followers refer to YoY as the second coming. Those who choose not to believe in the great YoY will be subjected to eternal damnation in the fiery pits of Hell. YoY chooses to abandon institutionalized religion and rather seeks salvation from within. Join YoY on its quest for eternal domination of all that exits.
A quick search on Google Images will provide you with an illustration of YoY.
All praise YoY! Our founder, our love, our inspiration.
by sami20008 May 9, 2018
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the distinctive sound Doctor P makes in his tracks
*bass* YOY *bass*
by bax your mum October 2, 2010
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"he is good at football"
"yoi, he is crap"
by Laners December 17, 2009
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