noun
bags under one's eyes
Refers to the puffy or sagging skin below the eyes, often due to fatigue, aging, or fluid retention.
最近、寝不足で目袋がひどい。
Lately, I've had terrible bags under my eyes from lack of sleep.
Refers to dark circles under the eyes, often from fatigue or poor circulation, while 目袋 specifically means puffy bags or swelling.
Compound of 目 (eye) and 袋 (bag), literally 'eye bag'. The exact historical derivation is uncertain, but the meaning is transparent from its components.