This is when someone (usually named jack) is hiding their sexuality for example they are gay but will hide it and make fun of other heterosexual males calling them gay on the off chance he can convert one of them so therefore when he comes out the closet he isn't alone.
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.