noun
nipple hair; breast hair
Colloquial term for hair growing on or around the nipple or areola. Often used in casual conversation or online discussions.
彼は乳毛を剃るのが面倒だと言っている。
He says shaving his nipple hair is a hassle.
ネットで乳毛の処理方法を調べた。
I looked up ways to deal with nipple hair online.