Top Definition
When something is just so utterly ridiculous and inconceivable, it could only have been pulled off by an incredibly drunk girl, probably with a name like Hilary or Hilda.
Me: "Damn, did you see that girl on the dance floor? How did she even pull off that move, that makes no sense?"

Friend: "Yeah dude, that was straight hildiculous, my mind is blown."
by Daddy Hubes September 26, 2010

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