Oi! 

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!"

Oi! by shell November 19, 2003

Oi! 

The music preference of Skinheads. skinheads are not recists, at least not the true Skinheads. Also an expression of working class pride.

Oi! Oi! sic for the working class.

Oi! Oi! Skinhead, get your hair cut!

Oi! by KingBinary July 8, 2003

OI! 

an interjection

Stacy hammers thumb, "OI!"

Stacy gets hammered, "OI, OI OI, OI!"

FUCK

OI! by archbishop of Reihms April 1, 2010

oi! 

oi = hey/hi = cockney = east-london accent (UK)

oi, paul, coming to the pub tonight!

oi! by woship_play May 25, 2004

Oi! 

"Hey"

Oi! How Are You Bitch

Oi! by Betty August 24, 2003

Oi! 

a word used insted of the casual "hello"

Oi! How goes it?

Oi! by Danielle April 8, 2003

OI! 

"Hey!", "What!" or similar to "Hurray!"

Dude: "Oi! Liam!"

Dude: "Hey, Liam!"
Liam: "Oi?"

Durring applause "Oi!

OI! by SnottyIrishman August 28, 2005