Conk

n.

Heard in Sligo and Galway

1)To sleep. Conked out = sleeping heavily. 2)For a car to stall/stop suddenly.

In use

Aw man, howaya after last night? Wrecked man. Absolutely wake. I'm gonna conk in a bit. Good shout. I was conked out for ages there. Jeezuz, what took yeh so long? That hape of a car kept conkin' out. I'd be just as quick walkin'.

Posh English

How are you after last night? Positively exhausted. I am going to sleep shortly. Quite right. I was sleeping heavily for a considerable time. Heavens, what delayed you so? That heap of a motorcar kept stalling. I should have been as quick on foot.

Same phrase, other counties