Answer: BOFF

AnswerCrossword Clue
BOFFKnee-slapping joke
BOFFGag line.
BOFFBox office hit, slangily
BOFFTheatrical hit, in slang
BOFFLaugh, in showbiz slang
BOFFHit, in Variety slang
BOFFHit, as on the noggin
BOFFBig Broadway hit
BOFFBroadway hit, slangily
BOFFSockeroo
BOFFHit, in Broadway slang.
BOFFBig laugh elicitor
BOFFLoud, hearty laugh
BOFFLoud hearty laugh
BOFFBig hit on Broadway
boffto hit; strike
boffto cause to be overcome with laughter
boffto hit (to strike forcibly)
boffa. box-office hit b. joke or humorous line producing hearty laughter
boffloud hearty laugh; belly laugh
BOFFBox-office hit, slangily
BOFFBig laugh
BOFFBig hit, in slang
BOFFBox office smash
BOFFBroadway hit, in slang
BOFFBig Broadway hit, in slang
BOFFHit, in show biz
BOFFSmasheroo
BOFFHit on Broadway
BOFFBig Broadway hit, slangily
BOFFBig laugh or success
BOFFTheater hit
BOFFLine that elicits a big laugh
BOFFBelly laugh
BOFFBig laugh: Slang.
BOFFA big laugh, in "Variety" patois.
BOFFHearty laugh: Theatrical slang.
BOFFBox office, in Variety lingo.
BOFFBox office, in stage lingo.
BOFFBig laugh, in theatrical slang.