Compounds of 一気

• 一気
  (n) (abbr) drink! (said repeatedly as a party cheer)
  (P)
• 一気に
  (adv) at once
  at a breath (stroke, sitting)
  (P)
• 一気飲み
  (n,vs) chugging an entire drink without stopping to take a breath
• 一気呵成
  (adv,n) (finishing writing, work) at a stroke (stretch)
  knocking something off
• 一気に飲む
  (v5m) to drink in one gulp