Japanese word for hey, often used by males, or sometimes females.
"Oi, Kudou!"

-Hattori Heiji from Detective Conan
by Oyashiro-san December 13, 2010
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Synonymous to hey; a declaration used to attract attention or, at times, voice displeasure.
Oi! Get over here! (or) Oi! That's MY hat!
by Harry James Potter October 21, 2007
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when you're trying to get someone's attention instead of just saying "oi" or "cooeey!" BE DIFFERENT!
person 1: OI OI OI MACAROY!
person 2: (turns around) oh hi!
by whatdidImiss? September 28, 2009
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Battle cry. Also an old UK music style. Also another way to say "Hey." Found in many ska songs.
Oi! Oi! Oi!

Oi! What's up?

Oi! Clear off you lot!
by MoonKnight December 1, 2002
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A form of music related to the punk and early skinhead movements within london.The term is now coined by mostly suburban wanna be punks and skins, who purchase reissued oi! records at the local mall and on the internet.The average oi! fan circa post 2000 is a mockery of the original movement and without understanding of its origin or true meaning.
That kid had long hair and a nirvana t shirt on yesterday ,now he shaved his head,bought some doc martins and is sc reaming oi!
by sacred357 December 8, 2003
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A piece of SHIT!

The only good memories from that school are the memories of us demolishing that fucking place to bits!
Man i hate OIS its a shite hole
by sdvgfjytrdrgfesgeh December 1, 2003
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Oi' (hey, hello,watch out or mind ya self)

is an english expression for a greeting or for a warning!depending on the situation...
"Oi, I know you! your that girl from the club,how ya been?"

"oi, how are ya mate aint see you in a while"

or

"Oi, you! stop give me back my wallet!"

or "oi, mind that huge hole in the ground!"
by shell November 19, 2003
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