へかっぱ 屁の河童 LinksSentence search for 屁の河童Sentence search for へのかっぱSentence search for 屁のカッパKanji details for 屁, 河 and 童Edit in JMdict Expressions (phrases, clauses, etc.), Noun1. something easy to do; cinchIdiomatic expression, See also 河童の屁Other forms屁のカッパ 【へのかっぱ】 Discussions Log in to talk about this word.