"And I would happily submit myself to all the discipline you might want to inflict," his return comment was said in a low drawl, and just as suggestive as Kol because really, Crowley did enjoy all those little kinks, from both sides if his partner was up for it.
"I suppose the Winchesters have reasons for it, blah blah, hating demons except Ruby blah." Crowley rolled his eyes with a dismissive wave of the hand. "I could hand them Lucifer on a silver platter, they'd still look to see where I might have hidden explosives." Which would, admittedly, be hilarious.
He gave Kol a bemused look. "Well, let me see, there was the rambling, the repeated statements of not fucking knowing and the times you seemed to have slips of the tongue, and I don't just mean what you were doing to my neck mere moments ago, darling."