Today I learned that Duo is a hoopy frood. Today I learned that Duo is a hoopy frood. #duolingo #hitchhikersguidetothegalaxy On Wandering.shop Related Posts:Don't feel so bad, Duo. None of the rest of us can either.And here's Duolingo, trying to cheer people up.There goes Duolingo, being topical againSo say we all, Duolingo.