What does upsetter mean?
A person or thing that causes someone to be upset; a recording that is a cover version of a song, often by a black artist of a song originally recorded by a white artist, especially in the 1960s.
Example
"The new policy was an upsetter for many employees who had grown accustomed to the old system."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.