Noun/phrase. A traumatising bowel movement often characterised by a watery stool consistency and difficulty or discomfort in execution. Alternate spelling of 'diarrhoea'.
"I've got a dire rear today; I was in the toilet for an hour and a half"
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.