Hawaiians use shaka to convey the "Aloha Spirit", "thank you", "hi", "howzit", In Florida it's called the "hang loose" sign or "all right!". In sign language, shaka is used to refer to surfing. In California, Shaka is known as the "chill" or "hang ten" . In Brazil, shaka is one of the most popular gestures. In the Caribbean, it's used as a form of "sex" if used in the way of the thumb facing yourself and the pinkie facing in front and moving it towards the person and yourself.