1. To come down with great speed and intensity. Said of weather. The wind came whipping down the street so hard it nearly knocked me off my feet. The rain is really whipping down out there. I think we'll have to postpone the barbecue.
2. To bring something down with great speed and intensity (like a whip). In this usage, a noun or pronoun can be used between "whip" and "down." The teacher whipped the ruler down on the desk so hard that everyone jumped in their seats. You don't want to whip down the golf club like that, or your shot won't be accurate at all.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.