When a situaion is bad(asscheeks) but a good thing(applesauce) happens, this event should be as awsome as possible
Your walking you step in shit and then Jessica Alba give you a blow job... after this you would say this is asscheeks and applesauce.
mean person: you suck
You: thats not nice
mean person: your right. im sorry take my car and allow my hot wife to give you the best head you've ever gotten in your life