noun
hot topic; much talked about; creating a stir
Used when a subject becomes widely discussed, often in media or social contexts. Conveys a sense of lively, widespread attention.
その新製品は発売前から話題沸騰だ。
The new product has been a hot topic even before its release.
彼のスピーチはSNSで話題沸
His speech became the talk of social media.