Challenge accepted, obviously. For as clumsy as he tended to be on occasion, Clint was good with his hands and so he had really no trouble at all undoing buttons and zippers and freeing the other man from his pants.
He glanced up one more time, arched and eyebrow at Jamie in some sort of silent counter challenge (for what, he didn't know, it just seemed like a smooth thing to do) before offering a very teasing and testing lick.