Shibby:
1) An adjective used to describe something cool or being in the state of total coolness,
2) Anything from an act to something that's cool is said to be ‘shibby’.
Shaka:
1) Originally a Hawaiian hand gesture called a Shaka and Hawaiian Pidgin for ‘Right On’. Also a more widely used common hand gesture used by making a fist and extending the thumb and pinky - It has many meanings. Originally it meant to ‘hang loose’, or to chill and be laid back.
2) It can be used as a positive reinforcement. If somebody did something good, cool, or righteous; You can give them a shaka as a sign of approval or praise. It can also be used as a welcome/goodbye sign.
3) It’s a hand gesture and it’s called Shaka. and it means your cool! ...make a fist and stick your pinky out and your thumb, twist your wrist back and forth. a hand gesture to tell another person he or she is cool for doing something.
ShibbyShaka:
1) Coolest of the cool universal greeting of goodwill, offered in a laid-back state of total CHILL!