飲のみ師し

noun

heavy drinker; boozer; tippler

A somewhat colorful or slangy term for someone who drinks a lot, often with a sense of expertise or dedication to drinking. Not a formal medical term.

• 彼かれは有ゆう名めいな飲のみ師しで、毎まい晩ばんのように酒さか場ばに現あらわれる。

  He's a well-known heavy drinker who shows up at bars almost every night.

• あの呑のみ師しは一ひと晩ばんで一いっ升しょう瓶びんを空あけるらしい。

  That boozer apparently empties a whole 1.8-liter bottle in one night.