Noun. A blend of Yule (Old English for Christmas day) and Godzilla (the monster). A woman who turns into a monster during Christmas preparations.
On Christmas Eve, most women turn into Yulezilla – a Christmas obsessed monster, who sees the whole thing as a perfomance, not dissimilar to a West End musical.

Yulezilla is a very dangerous animal, because she inevitably needs an army of helpers to turn her production dreams into a reality.
by khany vi March 14, 2010

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