Fiddlesnakes, Boy! Feed the Snakes and What've you Got? (there are just so darned many Mary Poppins references on this forum)
Mr Dawes sr: So, you have tuppence? May I be permitted to see it?
Michael: No, I want it to feed the snakes.
Mr Dawes sr: Fiddlesnakes, boy! Feed the snakes and what have you got? FAT SNAKES.