When windowsills and blinds do not match in color or shape. Such as, if our windowsill is orange and your blinds are blue than you have a smagmire window.
A non-standard word consisting of the words stagnant and quagmire. Spoken by the malapropism-spouting Little Carmine "W" Lupertazzi, in the Sopranos' episode "Long Term Parking" from Season 5. Obviously, Little Carmine wasn't paying attention during English class.