Hissing sound made to discreetly get someone's attention

Let's find possible answers to "Hissing sound made to discreetly get someone's attention" crossword clue. First of all, we will look for a few extra hints for this entry: Hissing sound made to discreetly get someone's attention. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.