What does raised fist with thumb and pinky mean?

This sign is of Hawaiian origin, and is generally an all-around positive message sign, similar to the OK sign(in which you make a circle between your thumb and index fingers, then spread the rest of...

Usually surfers use it but it means hang loose. They do it a lot in the movie Soul Surfer.

It means "Evil Spirits" so when you do that your erasing all the evil spirits.

It could mean that they are spelling the letter Y in ASL.It is also a common experssion in some cultures (predominantly American) with the equivalent meaning of "much love".

Surfaced