A man who attempts to force his unwelcome attentions on a woman.

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 man who makes unwelcome sexual advances to women.

From the late 19th century: probably a derivative of slang mash ‘attract sexually’, ‘infatuation’, perhaps from Romany masherava ‘allure’.

A person (usually a man) who gains sexual gratification by inappropriately rubbing against strangers in crowed public places.

A woman, lesbian or not, who cross dresses as a man.
An old fashioned British term made popular in the music halls in the late 1800’s

A man who feigns serious interest in a woman but is really only interested in a sexual escapade. A player

A man who rubs his genitals against female commuters on packed trains and/or buses.