to punch your boner till you ejaculate

To masterbate

The act of repeatidly stroking the beast in a fashion to which others may think you are choking your own genitals.

originally a reference to a children's toy. the clown (or whatever character-- i had heman) was a weighted bottom blow-up punching bag. it was designed to pop back up to a standing position when knocked over. essentially, punching the clown is a useless act which accomplished nothing. often used in reference to menial tasks and bureaucratic corporate jobs.

playing the skin flute.

Male masterbation, usually the term is used after the inner shoulder muscles are tired.

describes the act of whacking off: originates from the image of the head of the penis looking like a clowns nose.