Top Definition
The sexual act of giving someone a rim job while using their ass pubes to floss your teeth. Especially effective for those with braces.
My dentist told me that flossing is just as important as brushing, but i prefer Butt Brushing
by dirtydentist1212 March 31, 2011

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.

×