Meanings
Noun
big boom; big craze; big thing; all the rage
Example sentences
大ブームです。
It's all the rage.
そうやって俺のことを気にしつつ、しかし素直になりきれない、そのツンデレさが今若い男の間で大ブーム！
That way you keep thinking about me but are unable to admit to your feelings, that hot and cold feel is a real boom among young men!