Crossword clues for the word: CANTOO The word CANTOO has appeared as an answer to at least 10 crossword clues on different crossword puzzles. Crossword clues for CANTOO Showing 1 to 10 of 10 results Clue(s) """Oh no? I'll show you!""" Assertion of ability Assertive retort Braggart's assertion Braggart's comeback Braggart's insistence Insistent assertion Response to a discouraging comment Schoolyard "I'll show you!" Shout in a playground debate