drop in

US /drɑːp ɪn/
UK /drɑːp ɪn/
"drop in" picture
1.

pasarse, visitar

to pay a casual visit to someone without making a prior arrangement

:
Feel free to drop in anytime you're in the neighborhood.
No dudes en pasarte cuando estés por el barrio.
I might drop in on my way home from work.
Podría pasar de camino a casa desde el trabajo.
2.

bajar, disminuir

to decrease or fall suddenly and significantly

:
The temperature is expected to drop in the evening.
Se espera que la temperatura baje por la noche.
Sales tend to drop in the off-season.
Las ventas tienden a caer en temporada baja.