A sexual act that consists of a light
slap of the penis or even a
helicopter motion for more experienced "boingers". The act of boinging is a delicate art. The main rule of the Boing is the element of surprise because your partner should not expect it in order to induce confusion and embarrassment.
P.S.A.- The
helicopter boing should not be attempted unless you have your Boingers license and can be extremely dangerous for any penis it is being performed on.