Top Definition
It is when one goes up to another and smacks that person upside the face with a cactus.
John went cactus smacking with his friend and got arrested later that night for assault.
by doug=caesar May 22, 2011

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.

×