Someone so tremendously fucking stupid, they could be classified as Sub-Doorknob in intelligence. Specially used when someone still cannot use "Their", "They're and "There".
P1: Hey, I think that's they're wallet, you should give it back
P2: In the least amount of respect possible, you're a fucking knobhead.
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.