フォニー

noun

phony; fake; fraud

A person or thing that is not genuine; often used for someone pretending to be something they are not. Casual, somewhat slangy.

• 彼かれはフォニーだ。本ほん当とうのことを言いっていない。

  He's a phony. He's not telling the truth.

• あのブランド品ひんはフォニーだった。

  That branded item was a fake.