Top Definition
1. the four-pointed arrangement of a scrotum with three testicles and the penis on a human male
2. an anatomical analogue for bravery, boldness, or excessive masculinity
- Did you see Jane stand up to that asshole?
- Yeah. She's got a diamond sack on her.

- Did you know John has an extra testicle?
- No way. He has a diamond sack?!
by deanpence September 25, 2010

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.