Top Definition
Someone who is awesome an in posession of a very nie, firm, and reflective butt.
Geeze, did you see the way that ball bounced off her butt? It's like she literally has a Rubber Butt, and Damn she's fine.
by Rubber Butt June 23, 2008

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.