A phrase used when refering to something that has had roughly 1000 shits taken in it. To picture this, think of the shittiest porto-poty you've ever gone into and picture Bono cooking rotten eggs over a fire of burning hair.
Person 1:"I have to shit, so I'm gonna have to use that gas station restroom"
Person 2:"Good luck."
Person 1: "God damn, that bathroom had the smell of 1000 shits."
Person 2: "More like a thousand and one shits, wacka wacka wacka."