catch up on

catch someone up on (someone or something)

to tell someone the news of someone or something. (Fixed order.) Oh, please catch me up on what your family is doing. Yes, do catch us up! I have to take some time to catch myself up on the news.
See also: catch, on, up

catch up on something

1. to do whatever you have not had time to do I have to catch up on my reading.
2. to find out about something Most folks stop here for a cup of coffee while they catch up on the day's news.
See also: catch, on, up
References in periodicals archive ?
BUSINESS WIRE)--May 23, 1996--The 18-inch Digital Satellite System (DSS(R)) is such a big success it has spawned a whole new industry of accessories that give DSS owners new ways to catch up on local news and weather, dress up their dishes or even take them along on vacation.