Shaka Gallery Gang Shirt. The shaka sign, which is commonly known as “the hang loose” sign, is a gesture associated with the surf communities. The gesture has been adopted by visiting surfers from the Hawaiian surfing community and has made its way throughout the world. It primarily signifies greeting or expressing gratitude to one another which what we embody at Cheeky Gallery so be stylin'n'profilin in your NEW HANG LOOSE SWAG!