oi!, excl. — Green’s Dictionary of Slang

oi! excl.

[note the brief 1980s Oi music, geared to the sensibilities of a skinhead n. (4)/football fan audience and featuring such bands as Sham 69 and Cockney Rejects. Such music mutated into the racist/nationalist songs of Europe’s hardcore right-wing music business]

a general excl. of address, synon. with earlier hoy!, come here! pay attention! etc.

1984		A. Sayle Train to Hell 54: Oi! Oi! Oi! Oi! / Keynes is better than Friedman!
1999		Guardian Guide 5–12 June 26: Evilfest brings together punk, hardcore, oi! and other anti-social genres.
1999		Indep. on Sun. Real Lives 30 May 5: Oi, you, what’s your name?