Getting sick from drinking (nausea, headache, general unwellness after drinking).
昨夜、飲みすぎて朝まで悪酔いしていた。
I drank too much last night and felt sick until morning.
ワインを一気に飲んだら悪酔いしてしまった。
I chugged the wine and ended up feeling sick from drinking.
その薬を飲んでいるとアルコールで悪酔いしやすい。
If you are taking that medicine, you are more likely to get sick from alcohol.
Becoming violent, disorderly, or aggressive when drunk (drunken frenzy).
彼は酔うと悪酔いしてよく喧嘩を始める。
When he drinks he becomes violent and often starts fights.
昨夜の悪酔いで店の備品が壊された。
Shop equipment was damaged during last night's drunken rampage.
友人の悪酔いが心配で早めにタクシーで帰した。
Worried about my friend's violent drunkenness, I sent them home early by taxi.