A form of pill popular in early 90s rave culture, where extacy was supplied in yellow and green capsules, named after a popular song at the time. see also Dennis the Menace
"Hey man, what you got"
"I got some Rhubarb and Custards, deck one of these and you will have eyes like dinner plates"
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.