A long flight is ahead of you and you booked economy. You take that pious wish to the desk: Is it possible to get a free upgrade from economy to business class?
Words such as upgrade, economy and business class are familiar already – no need to learn them again. Only the rest gets an image: the man at the desk is eating something and has drawn a hedgehog on his cup (is it), then he reaches into his back pocket and pulls out a sieve with a dog on it (possible).