Referring to either Twitter.com or Tumblr.com. A term used by the site's users when talking about the platform in an insulting matter, typically when a controversy occurs, or simply because they saw a particularly bad post. Like hell, the websites are a place of torture that they cannot leave.
"Just saw a post of someone defending CP. Get me off this hellsite!"
"So the moderators of this hellsite are removing any NSFW posts now. WTF?"
"Every other news cycle, when any particular quake related to someone saying something stupid or disagreeable or out of touch or oftentimes simply oversharey occurs, it triggers a recurrent tsunami of contemplation of why any of us in the industry are on the hellsite at all."
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.