Meanings
From nelly, Nelly Duff, rhyming slang for puff (of breath = life).
How to pronounce "not on your nelly":
AU
not on your life, an emphatic form of no.
Example Sentences
1
I'm not going to jump off a cliff, not on your nelly!
2
I won't be joining you for karaoke, not on your nelly!
3
Don't count on me to babysit tonight, not on your nelly!
4
I won't be eating sushi, not on your nelly!
5
You'll never see me bungee jumping, not on your nelly!