やほーTop 45000MeaningsInterjection1. yoo-hoo; halloo; hi-de-ho; howdy; hey (Familiar, Colloquial)Other readingsヤッホーやっほーExamples2やっほー。Hi.頂ちょう上じょうに着つくと皆みなで「ヤッホー」と叫さけんだ。When we reached the summit, we all yelled "Yahoo!"