► 名詞ぶち壊し [ぶちこわし]
meaning: destroy rank: 2☆
彼のせいで
楽しい
雰囲気がぶち壊しになった ⇨ The happy atmosphere was completely ruined because of him
(☛ Usually used figuratively, to ruin others happiness maliciously)More examples:- 彼は折角の楽しい雰囲気をぶち壊した ⇨ He completely ruined the happy atmosphere