The part of the year when business is most slack and there are fewest clients or visitors

farewell party / funeral or memorial service / Alternative form of send-off

To send; to dispatch. / To emit; to emanate. / (sports) To show someone a red card, and dismiss them from the playing area. / To provide a celebration for someone who is leaving; give a sendoff.

During a period of less use or demand than the maximum (peak), generally overnight.

Not engaged in an assigned task, duty or occupation.

(informal, transitive) To use lies, excuses, or deceit to satisfy someone; to deceitfully appease someone by giving something that is spurious or inferior from what was wanted or expected.

To eliminate, or make extinct. / (of writers or producers) To take a character out of a television series or other work by purposefully and deliberately having them killed within the plot.

In an off-the-cuff manner.

(transitive) To parry, or turn aside. / (transitive) To avert or prevent.

(intransitive) To leave a place quickly or briefly. / (transitive, idiomatic) To write quickly or informally.