A surname.

Of or relating to Rosi Braidotti (born 1954), philosopher and feminist theoretician.

A showdown between people of high intellect.

(US, slang, derogatory, childish) A very stupid person.

plural of booger brain

plural of Matrioshka brain

(science fiction) A hypothetical megastructure of immense computational capacity powered by a Dyson sphere.

Empty-headed; foolish.

plural of triune brain

A largely discredited model of the brain according to which the reptilian complex, the paleomammalian complex (limbic system), and the neomammalian complex (neocortex) are each independently conscious, as structures sequentially added to the forebrain during the course of evolution.