RoboSam

And if you weren't RoboSam, you'd feel it, too. – Dean, 6.07 Family Matters

Let me get dressed, Robocop. – Dean, 6.08 All Dogs Go To Heaven

"RoboSam" is a term fans and reviewers use to describe Sam in early Season 6 when he is saved from Lucifer's Cage without his soul. Robocop was the main character in a movie of the same name about a cop who is wounded and then made into a powerful cyborg. Dean also referred to Sam as a replicant in 6.10 Caged Heat, a reference to the cybernetic humans from the movie Blade Runner

Other terms used are Soulless!Sam or Not!Sam.

General fandom consensus was that RoboSam was very hot.