Answer:

egghead

Answer	Crossword Clue
EGGHEAD	Geek
EGGHEAD	Intellectual
EGGHEAD	Yesterday's geek

EGGHEAD	Anti-intellectual epithet
EGGHEAD	Intellectual, slangily
EGGHEAD	Intellectual highbrow
EGGHEAD	Walking encyclopedia, e.g.
EGGHEAD	Walking encyclopedia
EGGHEAD	Studious sort
EGGHEAD	Brainiac
EGGHEAD	"Batman" villain

EGGHEAD	Pseudo-intellectual: Slang.
EGGHEAD	Brainy one: Slang.
EGGHEAD	Visionary: Slang.
EGGHEAD	Relative of a "longhair,"
EGGHEAD	Role for Karl Malden.
EGGHEAD	Intellectual: Slang.
EGGHEAD	The new highbrow: Slang.
EGGHEAD	Intellectual: Colloq.

EGGHEAD	Modern-type highbrow.
EGGHEAD	High-brow, modern style.
EGGHEAD	High IQ person.
EGGHEAD	Longhair
EGGHEAD	Highbrow
EGGHEAD	Cerebral one
EGGHEAD	Humpty Dumpty as an intellectual?
EGGHEAD	"The Big Bang Theory" persona