▪ I.oi,int.1 see oy, oi int. ▪ II.oi,int.2|ɔɪ| Repr. colloq. or vulgar pronunc. of hoy int. as a call to attract attention. 1962Jackson & Marsden Educ. & Working Class i. iii. 57 Father said, ‘Oi, you two—you're not doing anything. Get some paint and paint under there!’