Headcanon: the naked guy is Dean. Drunk!Dean

Castiel: Dean…people are staring.

Dean: They’re only staring ‘cause you’re wearing too much clothes, Cas.

Castiel: No, I’m certain they’re staring because you’re wearing too little, Dean.

Dean: Never say ‘Dean’ and ‘little’ in the same sentence, Cas.

Castiel: I apologize. I didn’t mean to insinuate that you have small genitali—

Dean: Shut up and hug me.