Failic Symbol

This girl walks in to a doctors office and she asks:

- Whats a failic symbol?

Doctor says:

- You're kidding..

Girl says:

- No! I don't know! Whats a failic symbol???

Doctor pulls his pants and underwear down and says:

- You see? This is a failic symbol!

Girl says:

- Oh! Its just like a penis, only smaller