COB

COB stands for “Close of Business.” It is an internet slang term or abbreviation used to refer to the end of the workday or business hours.

Examples:

1.

I need that report finished by COB today.

This example means that the person is asking for the completion of a report before they finish work for the day or before the business day ends.

2.

Can you please send me the revised budget numbers before COB tomorrow?

In this example, someone is requesting the updated budget figures to be sent before the end of the following workday.