not on your nelly BrE informal

"not on your nelly," ross said in english and the three soldiers laughed together.

The Home Secretary does know the answer to that: not on your nelly.

Not on your nelly, not if you believe there is no such thing as bad publicity.

Then it was no, Nat, not on your nelly.

Not dad, not on your Nelly!

Not on your nelly, Colonel.

Goggles, yes; a woolly hat, yes; but a helmet – not on your nelly.

"Not on your Nelly," I told him.

Not On Your Nelly!

No, not on your nelly.'

Does the 'N' mean 'Never in a million years', 'Not in a pink fit', 'Never in a blue moon', 'Not on your Nelly' or 'I thought you didn't mean it', or 'Have you lost your mind!'

Thankfully, the answer is shortly revealed to be: not on your nelly.