An example of drop in is when you are in the neighborhood of an old friend and you decide to ring her bell and say hello.
- providing treatment, information, or other services to those who drop in without appointment or referral: a drop-in center for the homeless
- designed for easy insertion and immediate use: a drop-in film cartridge
- One who casually drops in, as to visit or obtain an appointment.
- An informal social event.
- one who casually drops in.
- informal social event
drop-in - Computer Definition
An extraneous bit on a magnetic medium that was not intentionally written, due to a surface defect or recording malfunction.