ちょっと一杯[chottoippai] let's have a quick drink
ばつ一[batsuichi] being once divorced
一向[hitaburu] nothing but
サラダ一皿[saradahitosara] plate of salad

安全第一[anzendaiichi] safety first
一か八か[ichikabachika] sink or swim
一っ走り[hitoppashiri] spin (as in 'take a car for a spin')
一つ一つ[hitotsuhitotsu] one-by-one

愛飲[aiin] usual drink
一飲み[hitonomi] swallowing in one gulp
一気に飲む[ikkininomu] to drink in one gulp
飲みで[nomide] more than enough
飲みくだす[nomikudasu] to swallow

飲みまわす[nomimawasu] to pass the cup round
飲みまわる[nomimawaru] to go on a pub-crawl
飲みほす[nomihosu] to drink up
飲口[nomikuchi] taste (of a liquid, esp. alcoholic beverages)
飲手[nomite] heavy drinker