As a Noun: 1. Of a male, the act of stroking or rubbing your own genitals in order to get sexual pleasure. English = masturbation. Informal English = wanking. 2. A person whose behaviour you think is selfish and egotistical. English = wanker. As a Verb or Adjective: 1. Of a male, to stroke or rub your own genitals in order to get sexual pleasure. English = masturbate. Informal English = wank, jerk off. 2. To behave or to talk on and on in a selfish and egotistical way. English = wank.