Even if it was Jimmy's boner, Cas can def feel it there. So. They're boner-sharing. Jimmy/Amelia is not as vanilla as I thought! but omg Meg would eat Jimmy alive. It would be really interesting if he was conscious while Cas and Meg fuck though. Oh man, would that ever be interesting.

IKR I FOUND THAT SHIT ON TUMBLR. TUMBLR SO ADDICTIVE. Here is another thing I found on tumblr, relevant also to your next point: