That doesn't sound like any holiday Thor's ever heard of, but this is the Nexus, he's heard odder things have happened. Whether this is just an excuse or not, they could both use some levity in their lives, so Thor's not going to call him out on it.

"Well then, I suppose I have some catching up to do. What is this, anyway?" He takes a pull from the bottle, the alcohol unfamiliar on his tongue. Not bad, though.