stop the lights

a short drop and a sudden stop

A fall to one's death by hanging.

bright lights

The glamour and glitz of a place, especially a big city.

couldn't stop a pig in a passage

To be bow-legged.

face that would stop a clock

A shockingly unattractive face.

lights-out

Something hopeless, over; unconsciousness.

punch someone's lights out

To give someone a serious beating using one's fists; to punch someone until he or she is unconscious.

put a stop to

To terminate or abolish something.

put someone's lights out

To cause someone to become unconscious, especially by striking him or her.