タンスの肥こやし

expression, noun

clothes or items bought but never used; unused things taking up space

Idiomatic expression literally meaning 'fertilizer for the chest of drawers'. Used humorously or self-deprecatingly for things, especially clothing, that are bought but never worn or used, just sitting in storage.

• このワンピース、買かったけど一いち度ども着きてない。完かん全ぜんにタンスの肥こやしだ。

  I bought this dress but have never worn it. It's completely just taking up space in my closet.

• セールで買かった服ふくがタンスの肥こやしになっている。

  The clothes I bought on sale have become unused items in my dresser.