Arm in arm in arm in arm in arm in arm in arm in arm in arm.
Mine would have to be Why did sally fall out of the tree? Because she had no arms. Knock knock. Who's there? Not sally.
A coat of arms!
The Adhomineminal Snowman
If you're a white man, you're free to walk.
It was using a hide-'n-go-seekle!
Because he was a dirty double crosser.