河童の屁 かっぱのへ Also written カッパのへ, カッパの屁, かっぱの屁 Meanings Expression, Noun something easy to do; cinch (literally: a kappa's fart) See also: 河童 (かっぱ). Kanji 河 river. Read as カ. 童 youngster 屁 fart; passing gas. Read as へ. Word lists Idioms Jinuma: Japanese Dictionary · Word lists