You're an Asshole (but a cute one) [Destiel AU]
Something about that cocky grin and mischievous smirk made Cas glare in fury. Dean had no sense of respect whatsoever, he tries to flirt himself out of trouble (though it has worked a few times on Cas, he must admit), and he's a complete and utter asshole... but he's a cute asshole, so who is he to say no to those tau...