Answer:

socko

AnswerCrossword Clue
SOCKOImpressive and effective
SOCKOStupendous
SOCKOWildly successful
SOCKOSmashing
SOCKOWildly successful, in old slang
SOCKOSuccessful, in slang
SOCKODeserving of a standing O
SOCKOTerrific, in Hollywoodese
SOCKOExcellent, in Variety
SOCKORave review rave
SOCKOSimply smashing
SOCKOSuper-duper
SOCKOTerrific!
SOCKOVery successful
SOCKOFirst-rate, in "Variety"speak
SOCKOSuper, in Hollywood-speak
SOCKOHighly successful
SOCKORave-review word
SOCKOSuccessful, so to speak
SOCKOSmashing, in show biz
SOCKOVery good, in slang
SOCKOPacking a punch, in show biz.
SOCKOShow biz for "smash."
SOCKOSmash, in show biz
SOCKOWord in a rave review
SOCKOBam!
SOCKOWham!
SOCKOGangbusters at the box office
SOCKOExtremely successful, slangily
SOCKOExtremely successful, in slang
SOCKOSuper, in Variety
SOCKOShow-stopping
SOCKOTerrif
SOCKOFab
SOCKOVery good, in "Variety"
SOCKOVery good, in Variety
SOCKOKewl!
SOCKOVariety rave
SOCKOTerrific
SOCKOImpressive