sign off
• conclude a letter, broadcast, or other message.
• "he signed off with a few words of advice"
• register to stop receiving unemployment benefit after finding work.
• "I signed off when I found myself a job"
sign-off
noun
• the conclusion of a letter, broadcast, etc.
• "that was their daily sign-off on the TV show"
• a bid indicating that the bidder wishes to end bidding.
