Epileptic Wank
Where you super glue your cock to your hand in the wanking position and then have an epileptic fit, causing you to shake vigorously and therefore, Orgasm and discharging. There is a danger of pulling off your cock but the pleasure is worth it. (Can also be done with women)
Person 1: WTF IS HE DOING MATE
Person 2: Having an epileptic wank
Person 3: Looks fun
Person 2: Having an epileptic wank
Person 3: Looks fun