To be smoking methamphetamine or crack cocaine from a rose tube, which is phallic in shape. Usually said when someone suggests or says something so dumb, that it's on par with what you'd expect a crackhead to say.
Stranger: heyy, would you be interested in investing in my multi-level marketing product for essential oils?
Wiseass: you must be sucking the glass dick if you think I'd fall for that shit!
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.