The swelling of one's ego as a result of constantly disparaging those who ask reasonable questions on forums, often with the assumption others will join in. A result of daddy issues, low self-esteem, having nobody in the real world care for them, and wanting to prove that they know some obscure thing.
"Man, I asked how to do an extremely complex process that isn't explained anywhere else on a forum meant to help people like me, and everybody insulted me!"
"Oh, don't worry, those guys just have forumitis."
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.