If you ~ on someone, you visit them informally, usually without having arranged it.
Why not ~ for a chat?...
She spent most of the day dropping in on friends in Edinburgh.
PHRASAL VERB: V P, V P on n
If you ~ on someone, you visit them informally, usually without having arranged it.
Why not ~ for a chat?...
She spent most of the day dropping in on friends in Edinburgh.
PHRASAL VERB: V P, V P on n
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012