1 definition by MsMatronic

not on your nelly

cockney rhyming slang for not on your life. nelly rhymes with smelly, which leads to smelly breath, breath leads to breathing to keep alive, leading to not on your life.

Martin: 'will you stroke my furry badger?'

Jon: 'Not on your nelly!'

by MsMatronic July 17, 2005

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