> I'm sure the current meaning of "I could care less" is quite thoroughly conventionalized: it's part of everyday speech
Only in some places - I can only remember having heard it on television from the US. I shiver in pain every time I hear it, too, so I'm pretty sure I haven't heard it in person (having lived in New Zealand and Australia).
Only in some places - I can only remember having heard it on television from the US. I shiver in pain every time I hear it, too, so I'm pretty sure I haven't heard it in person (having lived in New Zealand and Australia).