Crossword clues for the word: SAYBOO The word SAYBOO has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for SAYBOO Showing 1 to 6 of 6 results Clue(s) """___ to the flu"": vaccination slogan" "Emulate a ghost, perhaps" "Frighten a child, perhaps" Make a peep Make even the slightest comment Speak at all