イヤンホホMeanings1nounearphonesinternet slangInternet slang term for earphones, derived from イヤホン (earphone). Used casually online.See also: イヤホン新あたらしいイヤンホホを買かった。I bought new earphones.イヤンホホの音おん質しつがいいね。The sound quality of these earphones is good.