Crossword clues for the word: DUMDUM The word DUMDUM has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for DUMDUM Showing 1 to 7 of 7 results Clue(s) Bullet that expands Classic lollipop with a "Mystery Flavor" flavor Expanding bullet Kind of bullet that expands on impact Pinhead Soft-nosed bullet Tautonymic ammo