Top Definition
A derogatory slur suggesting that ones preferred medium of expertise is the male genitalia. In the same way the stonemason works in stone, the cockmason works in cock.
Guy 1: Don't be such a cockmason.

Guy 2: Wow, that's a really clever insult, you got me there.

Guy 1: Why thank you, I appreciate the compliment, sorry for calling you a cockmason.

Guy 2: It's ok, you wanna go to the bar?

Guy 1: No.
by FalseProfit March 29, 2011

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.