Come on, Dean's not that desperate for it. Besides, licking it from Gabriel's mouth is way more fun.

Dean smirks against his collarbone, although the noises really just aren't enough. Yet. He'll get him there. It's like a challenge now. He opens his mouth and brings his teeth into the equation, biting down hard enough to feel the bone under there, timing the bite with a harder rock and roll of his hips.