a woman that a guy dates for the primary purpose of providing his steady source of sex. The woman is almost always unaware that this guy is actively seeking out as many side pieces as possible. See also Main, main bitch, main squeeze.
Dude 1: This club is wack. Its looks like our chances of meeting some fine honeys are pretty slim.
Dude 2: No big deal! I got my main piece waiting for me at home.
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.