Crossword clues for the word: SWIFTTHUMB The word SWIFTTHUMB has appeared as an answer to at least 2 crossword clues on different crossword puzzles. Crossword clues for SWIFTTHUMB Showing 1 to 2 of 2 results Clue(s) Attribute of an umpire who's quick to eject players? What a short-tempered umpire might have?