In gaming circles this term describes the tendency of players to mimic during their next character creation the main character from the most recient movie they've seen.
"So let me get this straight... you want to play a halfling rogue, with a magic ring, a glowing dagger, a powerful wizard friend, and some magic armour handed down by your grandfather? Sure... FRODO."
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 $2million.