The act of rapidly adding and dropping crappy players in fantasy sports. This practice is generally frowned upon due to the fact that it takes almost little skill at picking good players. A proper btanker will make sure their players are as crappy as possible so as to prevent their opponents from picking them up instead.
Damnit! Brian is btanking again! Don't make mesink to your level...
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.