(chiefly US, slang) Outstanding; very good or successful.

(chiefly in the world of entertainment) A great success; a hit.

plural of boffo

plural of boffin

(Britain, informal) The characteristic behaviour of boffins; nerdy scientific thinking.

plural of astro-boffin

(UK, Australia, informal) An expert in a field relating to the stars, especially astronomy.

plural of boffer

(slang) A fake weapon made from foam and used in simulated combat, as in roleplaying games.

A coarse or farcical gag; a joke provoking hearty laughter.