An interjection, used to show a positive feeling or to exlaim excitement.

1) "Yoi!"
2) "Party tonight, yoi"
3) "Yoi, how are ya?"
4) "I'm great, yoi!"
5) "I've won the lottery, yoi!"
by ComplexSimplicity. April 12, 2009
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Typically a typo made by iPhone 4 users because their phone screens are so pathetically small
iPhone 4 user: I love YoY
Decent phone user: lol, "YoY"
iPhone 4 user: fuck sake, shitty keyboard
by xbox_bash May 16, 2015
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yoy is the person we still have no clue who he is

he is an anymous person
another one of Daniel Barr/Danielbones1308 sayings
yoy gets caught with stray bullets once in a while
Friend: James f--- yoy
James: who is yoy

other example
friend: james, yoy should kys
me: who is yoy, he didnt deserve that
by lebronjahames6 May 4, 2023
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YOI is the acronym for the ice skating anime, Yuri!!! On Ice. It tells the story of the career of a competitive ice skater, Yuuri Katsuki, and his attempt to redeem himself from previous his failures. All while dealing with budding relationship between him and his coach Viktor Nikirov.
"YOI is the best thing I ever watched!"
"IKR I really ship Yuuri and Viktor"
by Ninja Dragoness January 17, 2017
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A word used to describe a common effect used in dubstep production.
Yoooooooooooooi yoi yoi yoi yoi yoi yoi yoi yoi (The opening line of the second drop in Skrillex's track "Rock and Roll (Will Take You to the Mountain)"
by Wompborn September 21, 2011
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