This is an interesting term! It refers to a person who has delusions that they are a form of animal or that they have changed into an animal or even having any relations with any form of animal.
Guy #1: "Yo bro! Last night that hedgehog was banging like a biscuit!"
A Shackteau is a humble, weather-beaten, structurally questionable shelter located in a spectacular or highly coveted place—Wales, Jackson Hole, Sun Valley, Crested Butte, coastal Maine, the Alps—where the building itself may be worth almost nothing, but the dirt, view, access, and mythology make it absurdly valuable.
In use:
Shackteâu - We thought it was an abandoned shed until the realtor called it a rare alpine Shackteâu with unobstructed views and listed it for $2 million.