When a young man or old man (can be both) get hard or also known as horny, they're penis starts to rise up. If they don't have anyone at the moment to help them with their needs, then they go to a private place such as the shower or their bed or also local wal-mart and go in a up and down motion on their penis. Causing them to feel the pleasure of having sex with a girl, or also feel the burn. When they reached their maximum pleasure a tasty substances called cum squirts out, and that is when he or she knows they are done jacking off.

masturbating

Sexually pleasuring yourself either with your hands or a foreign object.

rubbin ur penis wit ur hands or objects
it feels wicked good but its not as good as pussy so guys do it when theyre not gettin any

when a guy rubs his big throbbing cock cuz he can't put it in my pussy cuz i am too busy rubbing it to notice him

rubbing a smooth long cock up and down and all over, usually using some type of lubricant and usually while looking at chicks getting fucked. after jacking off, you cum all over your own hand.

Causes Pleasure and Anger. The pleasurable part is pre-ejaculation. The Anger part is post-ejaculation. This is the part where the man becomes mad at himself for wasting 30 minutes of his time. The world suddenly becomes clear and the chemical imbalance is one again balanced. Too bad no man learns this lesson and history repeats itself.

Giving the 'Private' a dishonorable discharge.