Crossword clues for the word: GAK The word GAK has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for GAK Showing 1 to 4 of 4 results Clue(s) "Nickelodeon's ""incredible, squishable, squeezable"" goo" Gooey '90s stuff from Nickelodeon It came with Floam in the Nickelodeon Deluxe Gift Set in the 1990s Slime on "Double Dare"