Definitions of whip:

• noun:   a quick blow with a whip
• noun:   an instrument with a handle and a flexible lash that is used for whipping
• noun:   (golf) the flexibility of the shaft of a golf club
• noun:   a dessert made of sugar and stiffly beaten egg whites or cream and usually flavored with fruit
• noun:   a legislator appointed by the party to enforce discipline
• verb:   strike as if by whipping

  Example: "The curtain whipped her face"

• verb:   thrash about flexibly in the manner of a whiplash

  Example: "The tall grass whipped in the wind"

• verb:   whip with or as if with a wire whisk
• verb:   subject to harsh criticism
• verb:   beat severely with a whip or rod
• verb:   defeat thoroughly