Answer:

WHIP

Answer	Crossword Clue
WHIP	Beat, as cream
WHIP	Thoroughly trounce
WHIP	Beat to a froth

WHIP	Use an eggbeater
WHIP	Party enforcer
WHIP	Senate party VIP
WHIP	Jockey's tool
WHIP	Lion tamer's handful
WHIP	Trounce
WHIP	Beat
WHIP	Senate figure

WHIP	Defeat soundly
WHIP	Party big shot
WHIP	Tamer's handful
WHIP	Horse trainer's aid
WHIP	Blender speed
WHIP	Indiana Jones's weapon
WHIP	Lash
WHIP	Senate VIP

WHIP	Flog
WHIP	Prepare quickly, with "up"
WHIP	Blender button
WHIP	Amusement-park ride
WHIP	Playground ride
WHIP	Defeat
WHIP	House bigwig
WHIP	Indiana Jones weapon

WHIP	Senate official
WHIP	Defeat, slangily
WHIP	Lion tamer's need
WHIP	Party leader
WHIP	Incite, with "up"
WHIP	Senate leadership post
WHIP	.. into shape (train)
WHIP	Use an eggbeater on

WHIP	Blender setting
WHIP	Prepare, as dessert cream
WHIP	Congress bigwig
WHIP	Party disciplinarian in Congress.
WHIP	Sen. Lyndon B. Johnson's role in 82d Congress.