Refers to a person'seyes which are in a wide open state, such as from being suddenly startled, or such as when the natural human reaction to suddenly perceived danger occurs. It can also, and often is, used to refer to a person's eyes which are simply naturally large or naturally pop out, although officially it is meant to denote the difference between the way a person's eyes normally look and the (much larger) way they look when the person is in a shocked or startled state, regardless of how the person's eyes would be described in their natural state.
Her banjoeyes revealed her shock at what she was hearing.
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.