Inflatable holiday yard decorations (most of which are manufactured by a company called 'Gemmy') without the blower motor on; the inflatables deflate and appear as flat, lifeless blobs on the lawn.
"Dude, their yard won first place in the neighborhood decoration contest, but when they turn the power off at night, it's just a graveyard of dead Gemmies."
by C Baker December 19, 2007