drop round
phr. v..phr. v.. to visit someone's home for a short time, usually without a formal plan or invitation.
phr. v.. to pay an informal, often spontaneous visit to a person's residence; primarily British English usage.
I might drop round later to see how you are.
Since we live on the same street, my sister often drops round for a quick cup of coffee.
He mentioned he would drop round after his shift ended, provided the weather didn't take a turn for the worse during his commute.
often used with 'later' or 'this evening' to suggest a casual visit.
note that 'drop round' is more common in British English, while American English speakers prefer 'drop by' or 'stop by'.
I will drop round to the shop.I will drop into the shop.'drop round' usually implies visiting a person at their home rather than a commercial business.