When a man is unable to last longer than two pumps while engaging in sexual intercourse before he shoots his load. A thoroughly unsatisfactory shag.

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."

When a meth addict is in need of another injection of methamphetamine by syringe. Like the tin man off Wizard of Oz when he seizes up and needs oil "meth"

a kick ass pint of foster's! you can pick it up at your friendly local seven-eleven.

A large thick long cock that you shove into the dames violently!

Someone that consumes a lot of alcohol and is considered an alcoholic.