(noun)
a member of a political party or legislative body who is appointed to maintain discipline among the other members, especially in terms of enforcing attendance and voting;
e.g. He has been the whip of the party for the last two years.
(verb)
to beat or strike someone or something with a slender and flexible object (such as a whip), usually as a punishment or driving force;
e.g. They had to whip the horses to make them run.
(verb)
to move quickly and suddenly in a particular direction, or to quickly and suddenly take something out;
e.g. I saw her whip her head around to look at him. He will whip out a pen and sign the document immediately.
(verb)
to beat some food such as eggs, cream, or butter in order to make it airy and frothy;
e.g. You should whip some cream and serve it on top of the cake.