(adjective) Whenever a person makes an obviously unwise business decision that will undoubtedly bring harm to them in the immediate or not too distant future.
Robert's fucking out there, the fucking piece of shit is bent like Trent and ripping everyone off he can, slinging that fake H that's already put a few cats down for the count. He's gonna end up deep-sixxed sooner rather than later, and that's probably for the best.
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.