- Slang A line in a play or film, for example, that elicits a big laugh: "He doesn't go for the big boffs, artificially inflated, but lets his comedy build through a leisurely accumulation of bizarre details” ( Vincent Canby).
- Slang A big laugh.
- Slang A conspicuous success. Also called boffo, boffola.
- To have sexual intercourse with.
- To engage in sexual intercourse.