[nottorp]

Your examples aren't really of whales, because there's an upper limit on how much food/clothes you can get.

The whale term was invented by casinos wasn't it? Where there's no upper limit to how much you can lose.

[naniwaduni]

There's an upper limit to the amount that you can consume.

There is no upper limit on the amount you can pay.

[ergl]

Sure there is, unless you consider incurring infinite debt a positive thing.