A third (fourth,... ect.) boob that cannot even lactate that exists just for fun.
Or
A humorous insult used to describe a bumbling idiot with a big smile on his face.
someone who insists that global warming is a hoax. (Whether we are causing it or not, it's still there.)
You maycall that person an incompetent boob.
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.