To care so little about something that one half of the standard fuck will suffice. Used when you want to make clear that you truely could care less.
Mary: "Do you want to go have sushi or steak?"
Joe: "Whatever, I don't care".
Mary: "Or should we go to Benihana?"
Joe: "I don't give half a fuck! Let's just eat!"
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.