Drop by' is an informal phrase used to describe a brief VISIT to someone's home or place of work. It can also be used to refer to a short stay in a place, such as a STOPOVER on a journey. The crossword solutions for the term 'drop by' include 'VISIT' (5 letters), 'popin' (5 letters), 'stopin' (6 letters), 'STOPOVER' (8 letters), and 'payavisit' (9 letters). All of these words are related to the idea of making a brief VISIT or staying somewhere for a short period of time.