鉄てっ管かんビール

noun

tap water; Adam's ale

Jocular term for tap water, likening it to beer from an iron pipe. Used humorously, often when someone asks for water instead of alcohol.

• 「何なに飲のむ？」「俺おれは鉄てっ管かんビールでいいよ。」

  "What'll you have?" "I'm fine with tap water."

• 居い酒ざか屋やで鉄てっ管かんビールを頼たのむと、笑わらいが起おきることがある。

  Ordering 'iron-pipe beer' at an izakaya can sometimes get a laugh.