From Longman Dictionary of Contemporary Englishwhip somebody/something ↔ up phrasal verb1 CAUSEto try to make people feel strongly about somethingwhip up interest/opposition/support etc They’ll do anything to whip up a bit of interest in a book. an attempt to whip up the masses2 DFCMAKEto quickly make something to eat Mother was in the kitchen whipping up a batch of cakes. → whip→ See Verb table
Examples from the Corpus
whip up interest/opposition/support etc• Here, too, came Gladstone and other politicians to whip up support.• Any debate will persuade them they're whipping up interest in fiction.• Starting in 1967, we tried hard to whip up interest in the robots among potential customers, but with little success. 