The phrase "driven snow" means to be extremely pure, clean, and untouched, just like freshly fallen snow that is not yet stepped on or contaminated. Full definition
But I don't consider them pure as driven snow either. (madgeniusclub.com)
With no time to waste and plenty to learn, Eddie heads to an Olympic training camp in Germany, where he meets former ski jumping champion Bronson Peary (Hugh Jackman)-- now a washed - up alcoholic who drives a snow plow for a living — and asks for his help in order to qualify for Calgary. (blog.bullz-eye.com)
Well, as a fellow expository preacher with intentions as pure as the wind driven snow at all times... I still have to agree that it is best... because of a necessity it does limit at least the personal agendas shining forth. (redeeminggod.com)