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A combination of the words 'acronym' and 'anachronism'. There is no real definition because a combination of the two words makes absolutely no sense. Something Nicolette says when shes had too many Smifnoff Blueberry vokda cocktails.
Evan, what is the term for a word like WTF? An anachronym?
by easy4real December 07, 2010
An anachronistic acronym.
Hey, let's go see NKOTB tonight!

Dude, that was so 1989. NKOTB is a total anachronym.
by profestivus March 23, 2013