1. To do something that may cause others to question your manhood.
2. Actions that are contrary to being a cool guy.
It is a guyolation to f**k your friend's girlfriend.
Type your email address below to get our free Urban Word of the Day every morning!
Emails are sent from firstname.lastname@example.org. We'll never spam you.
Log in with Facebook to save your favorite definitions
and share them with friends.