We have a winner!
So the Christmas themed beer I'll be drinking right now on this warm May evening is Get Out Claus. It's described as a Mexican hot chocolate stout so I was expecting it to be very similar to the excellent choco libre which is also from @brewdogofficial and I wasn't far off.
It's got a really satisfying chilli warmth to it that runs all the way up and down your throat and a deep dark chocolate finish that lingers for a flipping long time!
Looking at the ingredients the chilli heat comes from habeneros and cinnamon which is really nice. I would have thought the habeneros might have added a fruity note too but there is also some dark chocolate and vanilla in the mix so any subtly would have been lost.
It's a cracking beer. Would probably have gone better with a log fire and a wooly jumper but I'm sure I would enjoy it whatever the weather.