drop by

Từ điển Oxford Advanced Learner 8th

ˌdrop ˈby/ˈin/ˈround | ˌdrop ˈin on sb | ˌdrop ˈinto sth derived
to pay an informal visit to a person or a place
•Drop by sometime.
•I thought I'd drop in on you while I was passing.
•Sorry we're late— we dropped into the pub on the way.
Main entry: ↑drop_derived