They stripped down 'to the buff'. [=they took all their clothes off]
He 'buffed' himself 'up' by going to the gym every day.
She is going to the salon to get her nails 'buffed'.
(..) Fuck me! God! I could get it. Fucking come. Yes! Yeah! Yeah! You fucking skank! Yeah! Finally! Man, look how buff my left arm looks just from grabbling you. - Nichols, we gotta stop. - No, we can't. I gotta work out the other side. Otherwise I'll be asymmetrical like a crab, (..)2013 TvShow: Orange Is the New Black Title: The Chickening Season: 1 Episode 5