A loud greeting to be given to freinds in public areas, the louder the better in order to make passers by shit their pants.
Me: OI OI!!!!!!!!!!!!
Neil: OI OI!!!!!!!!!!!!!
Passer By: <Sqeulch>
by Wise Man October 10, 2003
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*this word refers to the female genitals.

*it's root trace far back into time...before BC...it was the RG! the creators being: jenn and v
"JENN! damnit..just because im DRUNK doesnt mean you can just touch my OI OI and i wont care?!?!*
by Valisa June 18, 2004
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When anything dramatic, funny, scandalous etc occurs, one must shout "Oi oi oi oi" to aware the general public about the event occurring. It can also be used as a form of greeting to a friend or colleague. There are different spelling variations such as: "Oye" or "Oui".
"Ansar should wear a wig next time"
"Oi oi oi oi"

"Oi oi oi oi"
"Oi oi oi oi
by oi oi oi oi is a new trend September 1, 2017
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Australian cheer
Comes from the word Oi
Aussie and British word for Hey
Also has something to do with punks
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by ohwefoh September 29, 2006
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Anime saying that girls (and boys) fall for because of the whole 2d men are superior thing. Ex.Levi and Bakugou
Oi oi oi Ue ni agareba kankei nee (Bakugou Katsuki)
Oi oi oi mate mate ( Levi fuckin Ackerman)
by Justapersonthatwatchesanime January 28, 2021
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