From Longman Dictionary of Contemporary Englishoh yesoh yes spokena) used to show that you do not believe what someone is saying ‘There’s nothing going on between me and Jane. We’re just good friends.’ ‘Oh yes?’ b) used to show that you have remembered something Where’s my umbrella? Oh yes – I left it in the car. → yes
Examples from the Corpus
oh yes• Alert to subtleties and paradoxes, oh yes.• John Major balances his economic package, but the right one's always lower, oh yes.• And, oh yes, a full-scale Martian invasion has been added to the sacred text.• And oh yes, alcohol, although legally sanctioned by adult culture, can kill you.• Anyway, there was plenty to observe - oh yes, I was interested in life.• And, oh yes, is it a jet or a turboprop?• And, oh yes, smart about it.• You did a Mrs Frankenstein on me, oh yes, you did. 