… a club with one member.
The winner of the impromptu contest is my old friend Jim Birch. People naturally tried for a risqué analogy and that would have been my first thought, but none of them quite worked. Jim’s entry is simple but hits the nail on the head, I think.
John Quiggin 
PLEASE ACCEPT MY RESIGNATION. I DON’T WANT TO BELONG TO ANY CLUB THAT WILL ACCEPT ME AS A MEMBER.
-Groucho Marx
“How did you become such a great lover?”, asked the women.
“I practice a lot when I’m alone.” he replied.
– Woody, Woody, Allen
Do I at least get an honorable mention for my effort “…A pretensious psephology blog”?
Very interesting blog!