hell-for-leather

[ hel-fer-leth -er ]

/ ˈhɛl fərˈlɛð ər /

Informal.

characterized by reckless determination or breakneck speed: The sheriff led the posse in a hell-for-leather chase.

in a hell-for-leather manner; hellbent: motorcycles roaring hell-for-leather down the turnpike.

Origin of hell-for-leather

First recorded in 1885–90

He wants to be a wicked, hell-for-leather fellow, but he hasn't got the stomach for it!

Changing Winds |St. John G. Ervine
When Peggy's father died, Colling was going it hell-for-leather—just about as fast as they're made.

A Butterfly on the Wheel |Cyril Arthur Edward Ranger Gull
And there she was, galloping into that field, hell-for-leather, unwrapping her long-tailed whip as she came.

Kildares of Storm |Eleanor Mercein Kelly
Another Maronite resented that, and killed a Druse; and they were all at it, hell-for-leather.

The Wind Bloweth |Brian Oswald Donn-Byrne

Turn in, Gadsby, and I'll bring Bingle back—ahem—'hell-for-leather.'

Soldiers Three |Rudyard Kipling