It's been suggested this sign might represent the size of your orifice AFTER the Obamessiah gets done raising taxes.
An alternative was suggested at Michelle Malkin's blog:
A suggestion was made on the Hot Air blog that this can become a part of another popular group of signs (in East LA, anyway):
First, his own version of the presidential seal, now this. What's next? His own religion?
Oh, I forgot. That's already started.