When fellatio is being performed by a woman hesitant to ingest, the male pulls out at the moment of ejaculation and blasts the left eye of the wench, screaming CUMIKAZI!

The act of extreme masturbation. You must "knock one out" whilst in close proximity to any of the following; Your mum, a nun, your boss, a member of parliament, George Michael. A person with capabilities to act upon catching you mid self-abuse obvisouly ups the ante. Ejaculation must be reached before your danger wank target comes (no pun intended) to investigate. The higher the chances of being discovered with one's pants down, pulling one's war face is obviously where the danger comes from. The more danger involved the harder (or softer) it is to complete the task in hand (snigger). The more dangerous the better. The chance of being arrested, pummeled by an angry father or having your hand severed by an arab's sabre means that you are a pro "Danger wanker."

a person who would like to kill another human being by way of shooting their jizz at another person. oftentimes, this only grosses the person out and causes them to become very angry. in the jizzee's rage, they will probably kill the jizzer.

When you jump out of a plane, without a parachute, furiously beating your meat.