Meatsuit
From Super-wiki
Your Dad – he’s in here with me. Trapped inside his own meat suit. He says “hi”, by the way. He’s gonna tear you apart. He’s gonna taste the iron in your blood.
– Azazel while possessing John Winchester, 1.22 Devil's Trap
Term for the bodies possessed by a demon. Originally used by demons such as Azazel and the Meg!Demon, but later used by Sam, Dean and Bobby.