A parenthetical aside to a parenthetical aside, or rather, a parenthetical aside INSIDE of a parenthetical aside a play on the "Inception" meme. Parentheption typically works during narratives or criticisms, and can do wonders to add humor to your writing (unless you're just really bad at it).
Josie looked beautiful yesterday (but she did kind of smell (I wish I could come up with a good example of parentheption, as I'm usually a parenthetical whore)).
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.