When someone new breaks his way into a new group of friends due to change of circumstance. This can often cause confusion in the group with a change in the ranking of the alpha males or smaller characters in the group becoming left out and replaced.
Ben: I think Fister is coming over saturday night as well.
Karl: Fister?
Ben: you know Alex.
Karl: That bloody ringbreaker! who does he think he is! breaking into the gang and acting as if nothing has happened!!
Ben: Shut up karl.
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.