The invitation to the office Christmas party said we were supposed to wear "festive" clothing, but I don't have any Christmassy clothes, so I wore the most festive item I had...
https://gamefaqs.gamespot.com/a/user_image/8/0/9/AAQwHjAACy6J.jpg
Minutus cantorum, minutus balorum,
Minutus carborata descendum pantorum.