noun
overdrinking; excessive drinking
Refers to drinking too much alcohol; often used in health warnings or self-reflection.
飲み過ぎに注意しましょう。
Let's be careful not to drink too much.
昨夜の飲み過ぎで頭が痛い。
I have a headache from drinking too much last night.
Compound of 飲み (continuative form of 飲む 'to drink') + 過ぎ (noun form of 過ぎる 'to exceed').