catch up
(to reach someone who is ahead of you)
- Let’s run to catch up with the others.
- I stopped to let him catch up.
(to do something you have not had time to do)
- She stayed up late to catch up on her homework.
- I just need to stay home and catch up on some sleep.
(to discuss or learn about recent events)
- Why not go out for a drink and catch up?