From "Back To The Future":

"What the hell is a jiggawatt?" - Marty McFly, after Doc Emmett Brown explains that the time machine's "flux Capacitor" needs 1.21 jiggawatts to work... [Linked Image]

As a side note, the cover over the flux capacitor as seen in the movie is a gearbox cover from a Simplex 35mm movie projector.


Stupid should be painful.