1. An enormous, dense, tightly packed mass of poop capable of achieving mass destruction by means of toppling trees, buildings, and the American dream.

2. Big/big round poop.
1. Today at work I sit down, then I dropped a butt boulder in the trash can.

2. This is a heavy butt boulder, daddy, what did you eat?

3. Would someone please tell me what "butt boulder" means?

4. Do me in the butt, then eat my butt boulder.
by AdamWW December 16, 2005
8 Words related to Butt Boulder

Free Daily Email

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

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×