I was waiting my turn in the doctor's office when in "walked" an elderly man with one leg. He was accomapnied by a very concerned son and daughter-in-law.

I have learned to recognize mischief in a man's eyes so I started chatting with him. Poor circulation and diabetes had claimed his leg. He was very frustrated at relying on other people to get around.

"On the other hand" I said "now you can be a pirate." His family looked at me as if I was insane as I crooned "You can't be a pirate with all of your parts." As expected, the "invalid' cracked up laughing.

Might not work in every venue but...