four harley's passed us on the way to the beach and we could see two of the meatheads biker's crack
deriving from plumber's crack, this is the crack of a motorcylcists ass that you can see when they pass you on the highway
"four harley's passed us on the way to the beach and we could see two of the meatheads biker's crack" What is the definition of "biker's crack"?