a male person who likes to bum another male person vigorously, chocolate (arse hole) speedway racer (fast).
so infact chocolate speedway racer means a males who bums another male very fast !!!
simon - "hey duano, chuck that big salami down the dark alley, it will be like riding a speedway bike through a chocolaty puddle."
duane - "ok sime lets go chocolate speedway , bend over"