not on your life

Certainly not, as in Go hang-gliding? Not on your life. The first recorded use of this interjection was in 1896.

Informal

Absolutely not; not for any reason whatsoever.

Name	Pronounced	Usage
Eda (2)	-	Medieval English
Ailpein	-	Scottish
Essi	ES-see	Finnish
Sionann	-	Irish Mythology
Hickey	['hiki]
Geraldo	he-RAHL-do (Spanish)	Spanish, Portuguese