Dumbcrap is a word generally used as an insult to another person which is formed from the two words: Dumb and Crap. You are essentially calling someone Dumb and a 'Crap'.
When you get stoned to the point where you're glued to the couch, and can't can't make any truly meaningful contributions to conversation; the term "dumb" refers to both the person's current level of retardation as well as their relative inability to speak.
"Yo I'm bout to go get dumbclapped and watch Rick and Morty"
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.