Green’s Dictionary of Slang

lead foot v.

[leadfoot n.]
(US)

to drive a vehicle very fast.

[US]J. Ellroy Because the Night 212: Lloyd was leadfooting it northbound on the Harbor Freeway.
[US]J. Ellroy ‘Gravy Train’ in Pronzini & Adrian Hard-Boiled (1995) 500: I leadfooted it to Wax’s office.