Definition & Meaning of "waste of space"in English

What is the origin of the term "waste of space" and how is it used?

"Waste of space" is a slang phrase for a person seen as completely useless or contributing nothing of value. It appeared in English in the 20th century, using a literal metaphor: someone occupying physical or social space without purpose or usefulness. The phrase is used in informal, insulting, or critical contexts to express strong contempt for someone's actions, behavior, or character. It is derogatory, context-dependent, and never neutral, though not vulgar.