An exclamation used in the event where someone changes his or her mind about giving something to someone else.
The word "soup" may be replaced with the object at hand; the reference to the show can still be very obvious if the speaker uses the correct tone of voice.
This is the catch phrase of the soup nazi from Seinfeld.
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.