A way of describing the actions of an individual whom after the consumption of illicit substances promptly nests(i.e. Creates a warm and comfortable place), and falls asleep due to intoxication. They also tend to enjoy large quantities of food before napping caused by the effect known generally as "the munchies".
You(upon entering room): "Dude? Why have you guys made a pillow fort out of my sofa?"
Your friend: "We didn't make a fort man, that's party hards nest!"
You: "PARTY HARD!!!"