v.1. To complete the last part of a task or process: The staff finished off the final items on the agenda and ended the meeting. The crew finished the cleaning tasks off before leaving for the day.
2. To consume the last part of something, such as food or a resource: I finished off that last piece of bread. We finished the cake off.
3. To finish something in a particular way: We finished off the hot day with one final swim. The teacher finished the semester off with a big party.