Answer: rush

AnswerCrossword Clue
RUSHSudden burst of activity
RUSHMake it snappy
RUSHRun with the football
RUSHHurry up
RUSHSeek a sorority
RUSHThrill
RUSHHurry it up
RUSHRecruiting event for frat houses
RUSHBig buzz
RUSHBum's ... (abrupt dismissal)
RUSHHurried activity
RUSHGain ground yardage
RUSHConservative commentator Limbaugh
RUSHCannonball
RUSHGeoffrey of "Shine"
RUSHGo for the gold?
RUSHSeek to join, as a fraternity
RUSHCarry the pigskin
RUSH"ASAP!"
RUSHFraternity rite
rushthe act of rushing
RUSHHustle
RUSH..-hour traffic
RUSHFirst name in pontification
RUSHHurry
RUSHAdvance on the gridiron
RUSHHorsetail, for one
RUSHCommuter convergence
RUSH"Tom Sawyer" band
RUSHWaste not a moment
RUSHSeek new members, say
RUSHFirst name in talk radio
RUSHFraternity event
RUSHMake haste
RUSHShake a leg
RUSHStep on it
RUSHGold ..
RUSHCompensate for oversleeping
RUSHLike some orders
RUSHExhilarated reaction