One becomes on the block shook when they are unable to successfully function in everyday life. One can also become on the block shook after consuming too much alcohol/drugs.
"ayo, chris just smoked like ten blunts, is he aight?"
"nah he's on the blockshook"
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 $2 million.