to visit someone casually and without an appointment
навестить кого-то случайно и без предварительной записи (navestit' kogo-to sluchayno i bez predvaritel'noy zapisi)
"We decided to drop in on our cousins while passing through their town."
"Мы решили дроп ин он наших кузенов, проезжая через их город." (my reshilí **drop in on** nashikh kuzénov, proyezzhaya cherez ikh gorod)
to make something increase in value or price
to inspire or energize someone
to end your work shift in order to do something specific
to do something that is new or challenging for personal grow...
to say sorry to someone for something you did
to change to a different option because of a need