A nasty hand, one that has recently touched a crotch, anus, mouth, or any other contaminate. Typically used when the contaminated hand is in danger of touching you, as in:
Dude get your dirt mitts away from me, I don't want that cat shit on my skin!
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.