Only if it is referred to as the heel of the loaf.
Certainly not. The correct term is the topper.
We always called it the 'bread back'.
Fresh bread yes, supermarket sliced loaf only for toast.
Depends on the type of bread.
Crusty sourdough then yes, Hovis or similar then no.
Either this or cheese on toast. Makes use of it without wasting. Also do love a mini pizza made from it at like 2AM when everything else makes too much noise to makeI use the crusts for mini pizzas. Don't really eat them otherwise.
Odd, never heard of any of those terms before, it's always just been a crust for me. Any other colloquisms across the country out there?