Definition & Meaning of "bug off"in English

What is the origin of the term "bug off" and how is it used?

"Bug off" is an informal English expression that emerged in mid-20th-century American slang, using "bug" in the sense of "bother" or "annoy" and "off" to indicate departure. It literally tells someone to stop pestering and leave, similar to "go away." The phrase is used in casual speech to express irritation, dismissal, or the desire for someone to leave, often in conversations among friends or in minor conflicts. It is mildly rude but not highly offensive, and its tone can range from playful to sharply annoyed depending on context.