"But if you visit Hawaii, you're likely to see it a lot. The gesture, called The Shaka Sign, can be interpreted as "Hello," "Goodbye," "Have a nice day," "Take it easy," "Good luck," or, the most popular definition, "Hang loose."

v. collectively or individually finding someone/something to blame for a problem, as opposed to brainstorming which connotes finding solutions to a problem

n. the act of finding someone/something to blame for a problem

(from a TV ad for HD television)

Saying that someone is full of bullshit, or that they are not trustworthy or honest.