adj. Ostentatiously extravagant to the point of vulgarity (from Imelda Marcos, shoe collector extraordinaire).

Example Citation:
I try to beautify the country — they call it extravagance, frivolity. They laugh at me and call me Imeldific, meaning extravagant, frivolous and excessive.
—Imeda Marco, quoted in Ed Marso, "Interview with Imelda Marcos," United Press International, May 11, 1995

Earliest Citation:
Well, at least Mrs. Marcos has made a significant contribution to our lexicon. To call something "imeldific" would describe it as a shameless and vulgar extravagance.
—Carlos Lopez, "Imelda Marcos," People, April 28, 1986