Not really sure of an exact meaning, it's a term I just recently thought up. It just sounds cool. I'd love to hear a politician use it when discussing the economy.
"President Bush announced today that he intended to substantially reduce unemployment through his new economic initiative, Ninjanomics."
by Led Zeppole February 28, 2004

Ninjanomics are more confusing than Alan Green's band scheme backwards down a black hole made of laffer curves.
by RogueA August 21, 2007

Ninjanomics is more confusing than Alan Greenspan skiing backwards down a black whole made entirely out of Laffer Curvers
by The Real ninja July 01, 2009

The set of calculations, deductions, and conclusions that aperson may use to justify spending $200 on a pair of shoes instead of paying rent, light bill, or car note
by jasoeuax respoeuaxon April 30, 2009
