look up any word, like the eiffel tower:
 
1.
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
 
2.
A welcome comment....
Like 'Hey how are ye!?!'
Or 'Hi hi'
(between two friends)
'oi oi'
'Hey Mush how are ye?'
by GIGSEY October 26, 2003
 
3.
oioi is a greeting used by young people
or it can be used when you are happy or something good has happened
oioi mate you alright
i've just bought a new car oioi
by \\leah// June 12, 2007
 
4.
Hello, or What's going on?
Oi Oi! (hi)
Oi Oi? (what are you doing?)
by Scret Hatin Moi July 20, 2003
 
5.
Informal greeting.Can also be used to gain someones attention.
Probably from Latin.
Not invented by Owen.
Random stranger - Oi oi!

Linzi- Don't talk to me,I'll poke you in the eye,make me a panini
by JendidNOTwritethis July 01, 2010
 
6.
'Chavs' or 'Charvers' use this phrase to greet someone, usually on MSN.
Charver one: Oioi
Charver two: Areet?
by Katharine Miles November 10, 2006
 
7.
A Baltimore-area slur for Filipinos
Fuckin oioi moved into the neighborhood yesterday.
by jjjjjjjlk August 26, 2007