Go scratch your arse with a broken bottle
A grandmother's way of telling you to get lost.
Ye want a lift to Galway at two in de mornin'? Go scratch yer arse wit a broken bottle.

Shall I translate it into posh English for you, boss?
Bonjour. That's French, you know. Here it is in posh English.
You require conveyance to Galway at two in the morning? Kindly go and attend to your hindquarters with shattered glassware.
Questions
What does go scratch your arse with a broken bottle mean in Ireland?
A grandmother's way of telling you to get lost.
How do you use go scratch your arse with a broken bottle in a sentence?
“Ye want a lift to Galway at two in de mornin'? Go scratch yer arse wit a broken bottle.”
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