This is 100% absolutely Stiles studying Derek’s body after they’ve been bodyswapped.
YOU CAN USE THAT INFORMATION TO ASSUME WHATEVER YOU’D LIKE ABOUT THE FIRST GIF. JUST SAYIN’.
It’s that face he pulls in the bottom left gif that does it for me. That’s such a Stiles face, like, “Hoo boy, I knew this guy had muscles, but FEEL ME”.
Actually, they’re all pretty much Stiles faces. Now I want to see this in the show, damn you. How funny would it be if they actually did it? And meanwhile, in Stiles’ body, Derek’s frowning at everyone and trying to do the eyebrow thing but they just shmoosh his cheeks because “awwwww, aren’t you adorable, mister grumpy gills”.
OH GOD YES. NOW I HAVE TO FINISH THAT BODYSWAP STORY…
File under: things it’s an actual tragedy that I don’t have available to read right now.