noun, noun or participle which takes 'suru', transitive verb
chugging a drink in one go; downing a glassful
Refers to drinking an entire glass or bottle of alcohol (or other beverage) without pausing. Often associated with drinking games or peer pressure.
彼はビールを一気飲みした。
He chugged the beer in one go.
一気飲みは危険なのでやめましょう。
Chugging is dangerous, so let's not do it.