A Hawaiian greeting with thumb out, and pinky finger, as you shake it. Shows other people that you have been to, grew up, or know about Hawaii and how "cool" it is.
President Obamagave the Shaka sign at the inaugural parade. He is from Hawaii, he's my homey!
The camera man on the news gets people from the community to show the shaka sign, and you get to be on the evening news.
When someone acts mean, bitchy or out of control. Has no control of themselves, no forethought. Inconsiderate person.
Maxwell Smart: to Agent 99 Is that your default setting or something? Oh, today's Tuesday, I'll punch Max. Oh look, a box of kittens, I think I'll punch Max. I have this piece of bread so now I'm going to punch Max.
"You know she was going to act like that, it's her 'default setting!'