What is the origin of the idiom "get a move on" and when to use it?

The origin of the idiom "get a move on" can be traced back to the early 20th century, particularly in American English. The phrase likely emerged as a colloquial expression influenced by the slang and idiomatic language of the time. It is typically employed when there is a sense of time pressure or when there is a need for prompt action. The phrase can be used in various situations and occasions, such as when someone is running late for an appointment, when there is a deadline to meet, or when there is a need to speed up the pace of a task or activity.