Yes! Sinksex!Sam!!!! That's exactly what comes to mind. I think that's his most basic, animal instinct. To be that kind of dominant, instinctual being when he's with someone. I think the most important thing is to get your fic out there, post them on communities (which is how I found yours) so people who are looking for certain things can find it. I found your fic on http://evilsam-spn.livejournal.com/, 'cause I was wanting some dark!Sam.