Touching The palm with the thumb and earning a circular movement While using the hand implies I'm being robbed/ripped off/ in a few areas. An informal method of getting anyone's interest, much like a whistle, is a hissing audio: "pssiu!" It isn't perceived as impolite, but will get truly troublesome https://exchange.fusionzap.com/choosing-the-c-h-best-motorcar-revive-marrow-2021-3869553981751359646