whip up

I'll whip up a quick meal for our unexpected guests.

His speech whipped the crowd up into a frenzy.

Hurricane force winds damaged the North Clydeside catenary on January 17 and 18 and on February 12, causing interruptions to the Helensburgh services; in the neighbourhood of Craigendoran and Cardross, the seas in the Firth of Clyde were whipped up to the height of the conductor wires and the insulators themselves.