Diafogl
"diafogl" is an abbreviation for the phrase, "disappears in a flash of green light." The unofficial opposite is aiafogl. (appears in a flash of green light)
Other colors of light can be used, e.g. diafobl: disappears in a flash of blue light.
I'm not sure who came up with this term...
probably one of the oldies like Tirzah Hopkins.
BUT ITS REALLY COOL, YOU SHOULD USE IT!!