A unknown spot on every mans body that causes him to automatically ejaculate. The Jizz Spot may sometimes be in an inconvenient spot such as the leg or the arm, although uncomfortable us men all have to go through this.
Brian:"Dammit Jon touch my jizz spot one more time!"
Brian: -pokes Robcat's Jizz Spot"-
Robcat: "Cmon guys i just changed underwear"