much talked about; creating a stir; the talk of the town
Describes a topic, person, or event that is widely discussed and causing public excitement or controversy. Often used in news or social media contexts.
His new song is the talk of the town.
The scandal caused a stir in political circles.
Compound of 話題 (topic) and 騒然 (noisy, uproarious). The exact historical derivation is uncertain, but the combination naturally conveys a topic that is causing a commotion.