noun

• (derogatory) A person who masturbates.
• (derogatory) A term of abuse.
• An idiot, a stupid person.
• An annoying person.
• An ineffectual person.
• Someone who shows off too much, a poser or poseur; someone who is overly self-satisfied.
• A penis.
• (humorous) A very informal term of address used between friends.
• (obsolete, Britain, school slang) A salted, and lightly smoked herring or mackerel; a bloater.