Castiel when...
Someone says shit about Dean.
"Dean has the most perfect physical human vessel I have ever seen. If you do not have enough eyes to see that, than you are clearly the stupidest of all of the humans"
The someone just stands there, dumbfounded.
"I see you are speechless at my" he smirks "savageness"
everyone groans but internally dies because of Cas' cuteness.