A merged holiday including Halloween, Thanksgiving, and Christmas, coined under Bill Maher's "New Rules."
Thankshallowistmas - now you only have to gather with your batshit family once a year.
by Balfdor November 4, 2007
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A Combination of New Years, Thanks Giving, Halloween, And Christmas. Similar to Thankshallowistmas.
Happy New Thankshallowistmas!!!!!!!
by Alegna thats Angela backwards November 29, 2008
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