also: うおー
noun
Loanword from English 'war', used in contexts like video games, movies, or metaphorical battles. Often appears in compound terms or as a dramatic exclamation.
このゲームは宇宙戦争、つまりスペースウォーがテーマだ。
This game is themed around a space war.
彼はビジネスを「価格ウォー」と呼んだ。
He called the business a 'price war'.