"Apparently!" he can't stop laughing or trying to get away, but he also isn't really trying very hard, either, and the way Victor holds his hips down gets a moan in the middle of it, followed by a shriek and another attempt at twisting away as he finds a particularly ticklish spot.

None of this seems to be doing anything to calm him down at all, in fact, quite the opposite. It's a little like finding just the right way to pull the bow off a package and everything comes undone. Yuuri's completely unselfconscious for a moment, and while it's obviously lighter in tone, it's the same kind of playful he was last night.