Head off

v.

Heard in Waterford, Dublin, Cork and Galway

1. Go away/ Leave me alone. 2. I don't believe you. Also: To inform someone, rather impolitely, that you would like them to vacate your presence. Similar to piss off but not quite as rude. Also similar to feck off but not quite so jovial.

In use

1. 'You're wreckin me head, wud ya ever head off boy?'" "2. 'You won the lotto? Head off boy, you did in me arse.'" "Head off for yerself ya cuncha!

Posh English

You are straining my patience, would you kindly vacate the premises, my good fellow?

Same phrase, other counties