Hramblings: [Elias Bros. | Frisch's | Bob's | * ] Big Boy's Cole Slaw

In a world of large questions, I have a trivial one for balance. Is there a posted approximate recipe for Big Boy Coleslaw? It's a fine cut, slightly sweet, creamy, very crunchy cole slaw that for whatever reason goes great with fish and chips, or strangely spaghetti and meatballs. It suggests a combination of milk, sugar, onion and mayo, but I am stumped on what combination. While not a matter of life and death, it has been a longtime mystery.