To do or trysomething in a sneakly way, to avoid attracting attention or suspicion, or being caught in the act of doing or trying it; without others knowing or being aware of it.
He surreptitiously left the room.
She surreptitiously ran away from her boyrfriend.
They surreptitiously smuggled the goods through.
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.