(US, Mafia, slang) A personal friend of the speaker/writer who is not a member of the Mafia.

(obsolete, UK) A superficially friendly person, who is otherwise not a friend.

(euphemistic slang) The menstrual period.

(colloquial) a female friend.

Dated form of guyfriend.

Dated form of chickfriend.

(idiomatic, humorous) Indicates that a question is embarrassing by pretending to be asking on behalf of another person.

(law) A person who represents another person who is under disability or otherwise unable to maintain a suit on their own behalf, and who does not have a legal guardian.

(law) One who assists a litigant in person in a common law court, whether legally qualified or not.

A very close friend.