Answer: smashhit

AnswerCrossword Clue
SMASHHIT

Blockbuster

SMASHHIT

Huge success

SMASHHIT

Standing-room-only show

SMASHHIT
Big success
SMASHHIT
"Hello, Dolly," for instance.
SMASHHITSellout
SMASHHITBomb's opposite
SMASHHITHuge success at the box office
SMASHHITSummer jam, say
SMASHHITTheatrical rave
SMASHHITVery successful song
SMASHHITBox-office winner