When you jiz on the ground in tribute of all your buddies who are not getting laid.
Bro "Hey man, why were you in your room so long?"
Bro 2 "Cause man, I wanted to rub one for the homies bro. Do you have a mop I can borrow?"
Bro " No I don't have a mop."
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.