Catch yourself on
Wise up; cop on; stop talking nonsense.
Ye want me to lend ye another tenner? Catch yerself on.
Shall I translate it into posh English for you, head?
Ah, my favourite reader. Here it is in posh English.
You wish me to advance you a further ten pounds? Do come to your senses.
Questions
What does catch yourself on mean in Ireland?
Wise up; cop on; stop talking nonsense.
How do you use catch yourself on in a sentence?
“Ye want me to lend ye another tenner? Catch yerself on.”
Updated
On the list: Irish slang phrases