One goes quick on her beautiful legs the other goes quack on her beautiful legs.
RemindMe! 2 days to edit this post
One says "hey, you, get off of my cloud", and the other says "hey, McLeod, get off of my ewe".
They always quack the case.
You are a duck. No one could identify you without describing every other duck on earth.
In the can-can can can.
What do mathematicians and dancers have in common? They both have algorhythm.