When a pizza delivery driver helps himself to a slice of a customers pie while out on the road. He then spreads the remaining slices in a fashion that conceals the removal, but upon close examination there are gaps between the remaining slices, resembling cardboard "spokes."
This is most common in college towns, where customers are often too intoxicated/high to notice.
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.