It's pretty simple. *You just put your hand around his penis and move it up and down as quickly as you can. *You can do it more quickly and use less energy if you just move your hand rather than your whole arm. *Also, you will probably want to use lube, especially if he is circumcised. *And don't worry, he'll probably be able to tell you exactly how he wants you to do it--most guys are pretty experienced at this.
