Because they're all Petra-flied of using the air!
A Hun knee comb.
She was always using fowl language.
It would be a fowl proceeding.
Question: Why did the Skeleton cross the road? Answer: To go to the body shop.
A Clock-18
I'd tell you happy birthday, but to me, you've been dead for centuries
A dead centipede.
Jonathan Livingstone Gorilla!
Herr Jordan