Origin of brainiac
Examples from the Web for brainiac
Except for maybe his brainiac wife… but she could do better anyway.All Your Internet Boyfriends Are Taken: Gosling, Cumberbatch, and now Joseph Gordon-Levitt|Melissa Leon|January 3, 2015|DAILY BEAST
“Scientists know now that being a brainiac is not so much about IQ but about executive function,” Golinkoff asserts.
Word Origin for brainiac
"very smart person," 1982, U.S. slang, from brain (n.) + ending from ENIAC, etc. Brainiac also was the name of a comic book villain in the Superman series and a do-it-yourself computer building kit, both from the late 1950s, and the word may bear traces of either or both of these.