Short for *you for sure, mother f*cker?*
As in, are you telling the truth??
Used by chavs etc.
A short way of asking a simple question -
warning, using it probably won't make you look cool, but quite the opposite -
people may just give you a wierd look and walk away.
Guy 1 - So I totalllly got with this well hot girl last night!
Guy 2 - Woah! Yo fo sho mo fo?!
Guy 1 - What?!
Guy 2 - Are you fo sho - mo fo?! You're kidding?
Guy - Okay, so i'm going now...
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.