Interjection USED In the past BY Those from the east end of london
A response to an outrageous statement, usually; it isn't asking for the other person to provide help or assistance (the literal translation), but stating that they can oblige by not believing or repeating what they have just said.
"You think the Government will pay every nurse and doctor an extra £10,000 free of tax? Do me a favour! Of course they won't!"
Submitted January 2021 by anonymous