鉄てっ管かんビールてっかんビールじ字FuriganaMeanings1nountap water; Adam's alejocular, humorousJocular 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
