"Oi /\u0254\u026A/ is an interjection used in various varieties of the English language, particularly British English, Australian English, New Zealand English, and Southern African English, to get the attention of another person or to express surprise or disapproval.\"Oi\" has been particularly associated with working class and Cockney speech. It is effectively a local pronunciation of \"hoy\" (see H-dropping), an older expression."@en .