"Mmmm, Blaine breathed against Kurt's heated skin, brushing another light kiss over him. "I like it when you're... anticipatory."
Not wishing to make him wait any longer, Blaine's tongue flicked out this time instead, licking a broad, flat stripe across the puckered hole, and then circling slowly, tip pointed, going around first clockwise, and then counterclockwise before slowly pressing inside. Not too deep, simply exploring, wriggling around slightly before pulling back out to start the process all over again.