Top Definition
One who specializes in assmasonry.

see: asshat, dipshit, moron, idiot, etc.
"God dammit, Chris is such a fucking assmason."

"I don't wanna hear it, assmason."
by GARY LOVES THE BACON May 12, 2004
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.

×