Dictionary.com
Thesaurus.com

Oi

1 American  
[oi] / ɔɪ /

noun

  1. a type of punk rock featuring violent, racist lyrics, associated especially with skinheads.

OI 2 American  

  1. opportunistic infection.

oi 1 British  
/ ɔɪ /

interjection

  1. a cry used to attract attention, esp in an aggressive way

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

adjective

  1. of or relating to a form of punk rock popular esp among skinheads in the late 1970s and 1980s

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
oi 2 British  
/ ˈɒiː /

noun

  1. another name for grey-faced petrel

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Oi

First recorded in 1975–80; of disputed origin

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The group, according to Burke, spontaneously began chanting an exuberant Australian cheer: “Aussie, Aussie, Aussie! Oi, oi, oi!”

From The Wall Street Journal • Mar. 12, 2026

"The hardest thing was sculpting his hair. Holy shmoly! Oi yoi yoi!" he exclaims.

From Barron's • Feb. 7, 2026

The Hearth is designed to feel like "your dream home", according to its founder Oi Leng Lei.

From BBC • Apr. 23, 2024

TIM, Oi, Claro and Telefonica Brasil referred questions to Conexis, the telecom trade association.

From Reuters • Mar. 28, 2022

“Es there a chance, friend Schiem, that Oi moit buy a foin wee peg from yeh? Moi coosin and Oi messed our danner today.....”

From "The Name of the Wind" by Patrick Rothfuss

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.