Top Definition
Cockney rhyming slang

Nelly Duff is slang for Puff (breath, life).

This form submit insists the full expression is used in the example although of course cockney rhyming slang would drop the second word.

This is for the form
"Not on your Nelly Duff!"

but for anyone else
"Not on your Nelly!"
by PubGeeza March 27, 2007
5 Words related to nelly duff

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