Top Definition
The act of masturbating on bread then spreading it with a knife an eating it.
What are you doing?

I'm Mastabaeating.

What kind of bread are you using?

Wheat so it's healthy.
by Dandren July 20, 2010

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.

×