not on your life!INFORMAL
This page is about the conversational phrase not on your life!
You can say this if you're strongly refusing a request or rejecting a suggestion.
- "Can you help me carry the refrigerator?"
"Not on your life! I'm much too old for that sort of thing!"
- "Why don't you tell your sons to fight in the war?"
"Not on your life! Do you think I want them killed?"
"Not on your life!" is similar in meaning to
Contributor: Matt Errey