To be on the receiving end of a relationship breakup just before a holiday one typically spends with loved ones, esp. Thanksgiving thru New Year's, Valentine's, or your birthday.
"What are you getting your girlfriend for Christmas this year?"
"Nothing. She holidumped me just before Thanksgiving."
by Levi5384 November 28, 2009
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The nasty, painful, stinky shit one takes after a holiday feast.
Dude 1: I just took the most disgusting holidump - greasy, runny, chunky with sputters and it smelled like something died in there.
Dude 2: What the hell did you eat?!
Dude 1: Christmas duck, lasagna, and lobster chili.
by RNPS December 27, 2007
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