What is Whip up?
Whip up is (verb) 1. to encourage, to make something increase Loudspeaker messages whipped up the crowd’s enthusi asm before the match. 2. to get food ready I’ll just whip up a salad. 3. to beat things together Whip up the eggs and milk in a bowl. The wind whipped up the waves on the lake.
source: Easier English, Student Dictionary Upper Intermediate Level