billy

noun

1. A billy club.

2. A billy goat.

3. A good friend.

4. A tin used by bushmen to boil tea; a billycan; a billypot.

   Let's get the billy and cook some beans.

5. A condom (from the E-Rotic song "Willy, Use a Billy... Boy")

6. A slubbing or roving machine.