boff

n.Slang （名詞）【俚語】
A line in a play or film, for example, that elicits a big laugh:
戲劇或電影中的逗趣：戲劇或電影中的一句引起大笑的臺詞：
例句：
.He doesn`t go for the big boffs, artificially inflated, but lets his comedy build through a leisurely accumulation of bizarre details.(Vincent Canby)
.他不是一味追求插科打諢和表面上的熱鬧，而是讓他的戲劇建立在怪誕情節(jié)的從容累積上.(文森特·坎比)

A big laugh.
縱聲大笑，狂笑
A conspicuous success.Also called boffo ,boffola
顯著的成功也作 boffo,boffola

來源：
Probably from b(ox) off(ice)
可能源自 b(ox) off(ice)