A wanker is an individual that masturbates, literally referring to one who wanks.
More About Wanker
The term is British and is used to refer to a masturbator. Since its origin, the term has been used as an insult. The term, when used as an insult, refers to someone who is being unreasonable, stubborn, or selfish. In general, it is used to refer to a male, but is sometimes used for females.
