When somebody who always tries to maintain a high level of coolness / hipsterness on Facebook is tagged in a ridiculous image or status by an old friend or family member, which makes them ashamed and destroys their Facebook 'image'.
This also happens when one of their family members comments on one of their photos with something retarded.
Have you seen how Poppy's older sister has commented on literally every one of her photos? What an Uncoolness Leak, man.
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.