It's obvious to me! In fact, I didn't even think of the room for confusion until your little 'rant'
mickle!
Perhaps it's an NZ-ism, I don't know, but it's certainly understood usage in both mine and my brother's vocab and has been for many years. Like some people call the vacuum cleaner a 'hoover'... just a generalisation.

Perhaps it's an NZ-ism, I don't know, but it's certainly understood usage in both mine and my brother's vocab and has been for many years. Like some people call the vacuum cleaner a 'hoover'... just a generalisation.