see someone off

(phrasal verb) to say goodbye to someone, to take someone to the airport or train station before they leave

Example Sentences:

Michael is going to see his girlfriend off before he joins us for dinner. She’s going to Mexico!

A: What will you be doing tomorrow afternoon?
B: I’ll be seeing off my parents. They’re taking a vacation.

The teenaged boy saw off his parents, and then prepared to have a party while they were away.

Similar idioms:

1. drop the ball
2. when hell freezes over
3. train wreck
4. out of the question
5. take charge of
6. over my dead body