To masturbate, usually done by a male, in a public place. In commmemoration of a guy I knew who got caught whacking off in the bathroom. Enough Said.
Hells yeah! Joshin' it up is freakin' awesome!
by Jeremy April 18, 2005
Can you define these popular missing words?
Is the art form of going to your brother-in-laws house when you're suppose to help work but instead play double U casino,sleep,watch netflix, and josh it up.
Hey do you think josh is still joshin it up?
by joshin it up June 29, 2016