Castiel & Leonard Snart
"Well, it really depends, Leonard," he said, with a smirk. "It depends wholly on whether you'd like to have me above or below you." Whoever said Castiel couldn't be smooth obviously had never met the angel.
Okay, so they probably had, but that wasn't to say that he didn't have the ability to be smooth from time to time.
"Because I am perfectly happy fluttering around up top, or dancing down below," he said with a grin.