(idiomatic, euphemistic, dated) Oh my God.

(idiomatic) To achieve social acceptance or financial success as a result of behaving in a benevolent or charitable manner.

Something enjoyable or beneficial which, nevertheless, becomes bothersome or harmful in large quantities or over an extended period of time.

Alternative form of old boy network

A psychological tactic used for interrogation, involving one police officer playing the role of intimidating adversary, and another that of friend with whom the subject is encouraged to bond.

Something good does not need to be advertised.

(intransitive) To reject or bar improvement because it is incomplete.

(idiomatic) To act in a creditable manner.

Used to indicate that one welcomes the departure of someone or something: good riddance!

An act of getting rid of someone or something whose departure is welcomed.