Aye

n.

Heard in Donegal, Louth, Monaghan, Offaly, Limerick, Derry and Roscommon

The standard affirmative response; yes.

In use

Aye, I'll head into de town once de rain clears up a bit like.

Posh English

Yes, I shall venture into the town centre once the precipitation abates slightly.

Same phrase, other counties