balls to the metal
This phrase is a combination of balls to the wall and pedal to the metal. It is used to describe the reckless courage displayed by an automobile driver who performs death-defying driving maneuvers to escape pursuing law enforcement.
Guy 1: Did you see Vanishing Point last night?
Guy 2: Yeah, Kowalski really put his balls to the metal and left those cops in the dust!
Guy 2: Yeah, Kowalski really put his balls to the metal and left those cops in the dust!