Crossword clues for the word: ACERBICFAX The word ACERBICFAX has appeared as an answer to at least 1 crossword clue on different crossword puzzles. Crossword clues for ACERBICFAX Showing 1 to 1 of 1 results Clue(s) "Its cover sheet may read 'To: A Big Dumb Jerk, Re: You Know What'"