Meaning of “pack sth in” - Learner’s Dictionary

pack sth in

phrasal verb with pack uk us /pæk/ verb
STOP informal

to stop doing something:

If this job doesn't get any better, I'm going to pack it in.

to manage to do a lot of things in a short period of time:

We were only there four days but we packed so much in.

(Definition of “pack sth in” from the Cambridge Learner’s Dictionary © Cambridge University Press)