(Australia, Britain, informal) An engineer or scientist, especially one engaged in technological or military research.

plural of boffin

plural of astro-boffin

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

A form of re-enacted fighting with foam weapons called boffers. / (slang) Sexual intercourse.

present participle of boff

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

Alternative form of boffinry

Resembling or characteristic of a boffin; nerdy.