偽ぎ乳にゅう

noun

fake breasts; artificial breasts

Slang term for breast forms, padded bras, or any artificial breasts, often used in casual or humorous contexts.

• コスプレ用ようの偽にせ乳ちちを買かった。

  I bought fake breasts for cosplay.

• あのアイドル、偽にせ乳ちち使つかってるんじゃない？

  That idol might be using fake breasts, don't you think?