Crossword clues for the word: POPSUP The word POPSUP has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for POPSUP Showing 1 to 7 of 7 results Clue(s) Appears suddenly Appears unexpectedly Appears without warning Arises unexpectedly Materializes suddenly Suddenly appears Suddenly appears, comes to light (2 wds)