I just found a great way to cheer myself up, and I hope it works for you.
Go to dictionary.com, key in funny/gross words, and make your computer pronounce them out loud. There are girl and boy readers, and they both have a knack for making funny words funnier. Try these:
The holidays can be depressing. Maybe some dirty words with a deadpan delivery will help. It has to help a little. I mean, just listen!