whip in(redirected from whips that in)
1. To combine something into some mixture by beating it into a froth or foam. (In each usage, a noun or pronoun can be used between "whip" and "in.") Next, you'll need to whip the egg yolks and icing sugar in with the cream. You'll want to whip in the melted butter very gradually.
2. To drive someone or something in(to something or some place) with a whip. The guard opened the doors of the cell and whipped the prisoners in. Sometime the only way to get the cattle into their pens is to whip them in.
3. dated To keep the hounds of a hunting pack together, as by whipping them. That dog has proved nothing but trouble. I spend more time whipping it in during a hunt than actually focusing on catching foxes!
4. By extension, to ensure members of a political party vote or act according to the party platform. He has made it clear that he will be whipping in members of the party ahead of the important vote.
See also: whip
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.