Crossword clues for the word: MOOMOO The word MOOMOO has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for MOOMOO Showing 1 to 10 of 10 results Clue(s) 'Old MacDonald' cry 'Old MacDonald' farm sounds "Cow sound in ""Old MacDonald""" "Cow, to a tot" "Lower, in baby talk" "Old MacDonald" sound "Old MacDonald" sounds Child's cow. Cow's commentary Part of a farm-song refrain