Having a very powerfully visual trip after taking a hallucinogen. Be it mushrooms, acid, absinthe, etc...
Taken from the SouthPark episode Sexy Action School News, when they go into the pharmacy to buy some cough syrop to 'have some ideas' The pharmacist tells them "if you really want to trip balls" and suggests a certain brand of cough syrop to them. The episode later demonstrates said tripping of balls.
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.