To strip down to one's underwear and pour a drink over a fellow reveller.
NB: First occurred when David Bentley, the professional footballer, did so on live TV following a victory over rivals Manchester City, May 5th 2010. (Available on Youtube).
Last night's party was amazing, I managed to do a David Bentley on some hot girl in a tight white t-shirt! And she loved it!
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.