Ορισμός και Σημασία του "smart-arse"

What is the origin of the idiom "smart-arse" and when to use it?

The idiom "smart-arse" is a variant of the term "smart ass," typically used in British English and other Commonwealth countries. It shares the same meaning and connotations as "smart ass." The term originated in the mid-20th century, evolving from the earlier phrase "smart aleck." "Smart-arse" is employed to describe someone who consistently displays intelligence or knowledge in a way that is perceived as annoying, disrespectful, or obnoxious. It is used informally to refer to individuals who make condescending or snarky remarks, often with the intention of showcasing their intelligence or belittling others.