to save one's life
Definition from Wiktionary, the free dictionary
- (informal) at all (Used with "can't", "couldn't" etc. to emphasize a lack of skill)
- "I can't dance to save my life."
- (informal, hyperbolic) under any circumstances; [I'd] rather die than... (Used with "will not", "would not" etc. to emphasize refusal)
- "She won't eat baked beans to save her life".
- (with "can't") for toffee