JO is used as the abbreviation for "Jack Off" (masturbate). A JO party is essentially another name for a "circle jerk", a group of men communally masturbate.
Well the machine is busted again, looks like we can't work, let's just have a Jo party.
by Team Zulu June 13, 2008

5 Words Related to JO party

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.

×