"Dean, just stop!" Sam snapped.

"What's the matter, Sammy?" Dean looked over at his little brother, an innocent look on his face.

"Dean." Sam took a calming breath. "Click is a sound. Clique is a group of people who hang out together. If you want to call a nest of vampires a clique, fine. Stupid, but fine. But if you call them a click one more time –"

"What? You gonna go all pustule on me?" Dean tried to keep a straight face but couldn't quite make it. He burst out laughing. "Sammy, sometimes you are just too damned easy!"