When a woman regularly shaves her pubic hair in the Spring/Summer/Fall, but lets it grow back in the Winter, leaving a 5'o'clock twat shadow growing back. A prickly bush.
"My girl's gotbad winterbush and is chaffing my scrote"
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.