derived from three white/azn/romanian girls from the BDOT.. means, something is wack, or da shizz, or the womps, or off the hizz-ouse..like, man theypimped my ride, thats so applesauce
::::translation: my brother, you have prepared my automobile, or long distance transportation device, with great precision and extragance, i am overcome with joy and gratitude..
"man, yo 13 inch rims r the applesauce, fo shizzle."
"dawg, yo pimp juice sure is applesauce-in'"
"yeu, man, yo bling bling and crib, sure gets them ladies in yo tighty whities..applesaucin, fo gizzle, mizzle, BADIZZLE"
"girl, yo ba-donk-a-donk sure is applesauce"