to put peanut butter on your knuckle, insert it into a woman's anus, lick it out with your tongue and put it back in the peanut butter container.
Also known as: p-b poop, the washington carver anus lick, the tasty sunrise, the sloppy sunset, gas sandwich, penis butter sunday, the lippy skippy tongue tongue, ghetto moutnwash, sloppy cosby.
Example 1: Sam, instead of a hamster for Christmas, I'd like you to give me a sloppy knuckle.
Example 2: Mom, I think Dad left a sloopy knuckle in the peanut butter again.
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.