The act of falling asleep in an awkward position because you were too drunk and or stoned to make it to bed.
Ryan: "Where's Robert? I brought more beer."
Jake: "He carcassed on the couch, he got too baked."
verb-
1. To sit.
"arh get the fuck out of the way rory it's time to park the carcass" -kelsee
madden "hahahahahLOLOLOLOLhahahahah"