serve the turn

Buggins's turn

A humorous, disparaging term for the appointment of a person by rotation or promotion, on the basis of length of service (it being that person's "turn") rather than merit or level of qualification.

good turn

A good deed; a thoughtful or selfless act.

left turn

An unexpected change from the way things seemed to be going.

serve notice

To fire; to terminate one's employment or formal association.

serve someone right

To happen to someone who is thought to deserve it.

serve time

To be confined in prison or a similar institution, typically for wrongdoing that violates the law.

serve two masters

To take orders from two superiors or two conflicting parties.

serve up

To provide; deliver; inflict; impose.