Top Definition
The act of shoving ones fingers into their anus, often used for sexual pleasure, then removing the fingers and smelling them.
Jeff was so desperate, he decided that mattbelling would be a good idea.
by ryan4527 August 06, 2009

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.

×