To go out partying and celebrate until you pass out, wake up naked, find that you are wearing someone else's underpants, and discover that someone has used your body as a canvas for their artistic lipstick drawings.
A variation on the classic phrase party hardy/hearty which adds to the fun rhyming with a nod to the stoners who party hard and also get high off their rockers.
Bill: "Tonight we party hardy and die high!"
John:"Hell yeah!!!!" *Cracks open a beer*
Steve *nods in agreement and lights a joint*
the combination of party hardy (the group chat of the mother planning parties) and aimigos of the DMV (the group chat of fathers sending brown people memes) however the D is gone because none of us are in the D