Zorba dancing has new been in Greek history, invented (coreographed) by Giorgos Provias for the 1964 film Zorba the Greek.
It is not a traditional Greek folkdance, but a mixture of the slow and fast versions of the hasapiko dance. The dance, and the accompanying music by Míkis Theodorakis, are also called Zorbá’s dance, Zorbas, or “the dance of Zorba”.
Check out Andre Rieu’s version below:
What I found funny today were some big-ass dudes (one of them really fat) that are performing the dance in hula costumes: