Coddin

n.

Heard in Waterford, Kildare, Kilkenny, Offaly, Galway, Sligo and Wexford

Teasing, joking, or pulling someone's leg.

In use

Ah you gotta be coddin' me with dat price for a pint, boy!

Posh English

Surely you must be jesting with me regarding that exorbitant price for a measure of ale, my good boy!

Same phrase, other counties