ふっとう沸騰futtou
1.

The process where a liquid reaches its boiling point and begins to produce bubbles, resulting in the transformation of the liquid into vapor, occurring both at the surface and within the liquid itself.

2.

A state of heightened excitement or activity, where feelings, discussions, or events intensify rapidly and fervently.

3.

A dramatic increase in prices or values, characterized by a sudden and vigorous rise in economic indicators.

Example:

水は摂氏100度で沸騰する。

にんきふっとう人気沸騰ninkifuttou
1.

A state where something is experiencing an explosive rise in popularity, often leading to fervent excitement and enthusiasm among people.

2.

A situation characterized by intense and widespread acclaim or interest, resulting in a vibrant and dynamic cultural phenomenon.

3.

The phenomenon where a trend, product, or individual captures the public's attention so strongly that it generates a passionate following and widespread engagement.

わだいふっとう話題沸騰wadaifuttou
1.

A topic that generates enthusiastic discussion and interest among many people, often due to its relevance or controversy.

2.

A subject that captures widespread attention and becomes a focal point in social conversations, reflecting current trends or events.

3.

An issue or matter that evokes strong opinions and lively exchanges, often dominating media coverage and public discourse.