Uncredible is the opposite of Incredible, meaning that something is so completely abysmal as to defy any sort of description. Also can be used in sarcastic remarks, so as to say something that slips past most people's notice, but listeners might catch. A companion word to Underwhelming.
Rachel: So I was all like, this guy is TOTALLY hot, I think that he is AMAZING! He has all of Dylan's albums, on VINYL! Oh, Emm, Gee!
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.