From now through December 15th, I will donate all profits from sales of my three snarky holiday shirts to CoSo's donorbox. And for the next 28 hours they're on sale, as well!
(Caution, one of these designs is slightly naughty, so here's your NSFW warning)
https://www.teepublic.com/user/codewhisperer/albums/189856-funny-shirts-for-holidays