The "choccy highway" is the descriptive definition given to a one's sphincter in the act of sexual intercourse when one or both parties desire to penetrate said parties anal cavity with their meat popsicle. "Choccy highway" is a neutral term that applies to both genders
Ill be driving up the choccy highway tonight fellas.
I asked her for directions to the choccy highway she said "just over the bend you can't miss it".
Hooked up with a real mud wallet last night but she let me ride the choccy highway so it wasn't too bad.