When ideas for Christmas parties start buzzing around people39s heads, the mood of the autumn changes radically, doesn39t it Now it39s true to say that most Christmas parties don39t have a special dress code.other than making sure you go home with all your own clothes. However, somewhere out there, some foolish optimist in your circle of friends is already chewing over those two dangerously delicious words, fancy and dress.So here39s your opportunity to play your trump card with this hilariously fat Santa Clause costume that39s guaranteed to bring the Christmas party to a standstill.