left turn

be left at the post

To be beaten from the beginning of a competition or race.

be left holding the baby

To be left with the responsibility of resolving a problem.

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.

Elvis has left the building

A phrase used to announce the end of a show, usually one performed by an Elvis impersonator.

exit stage left

An orderly and uneventful departure, timed so as not to detract or distract.

go left

To take a turn for the worse, to go horribly wrong.

good turn

A good deed; a thoughtful or selfless act.

has left the building

Something is gone and never coming back.