Putting a hand between the legs of somebody (unknown to the person) and moving your hand rapidly back and forth, touching the legs, in an attempt to freak the person out. The motion of the hand resembles a fish out of water.
-"We so scared that girl with the happy salmon we just pulled. She keeps her back to the wall at all times now. Hahaha!!!"
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.