The act of shitting in an extra large condom and freezing the condom so it becomes rock solid.
Greek Man 1: Damn yo I shoved that Greek Dildo so far up my ass I saw the old Gods again!
Greek Man 2: Sheeshbro lemme get some of that (proceeds to stick it in his ass).
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.