noun Slang: Usually Disparaging.
Examples from the Web for egghead
That's something that egghead liberals are supposed to be guilty of.
Gore was painted as an egghead, and was, but again Southern-ness diluted the cocktail a bit.
Does egghead Obama, as so many critics suspect, lack a common touch?
"Egghead, you are both intelligent and comforting," said Hickey.
The scornful Egghead, thus provoked, offered ten to one against him.
"Come off," said the Egghead, glancing at him suspiciously, but Hickey maintained a serious face.
On the porch was the Egghead feeding ice cream to Mimi Lafontaine.Skippy Bedelle|Owen Johnson
The Egghead, despite the entreaties of the Dickinson to bring in his house-mates, could only foul out.
British Dictionary definitions for egghead
Word Origin and History for egghead
1907, "bald person," from egg (n.) + head (n.). Sense of "intellectual" is attested from 1918, among Chicago newspapermen; popularized by U.S. syndicated columnist Stewart Alsop in 1952 in reference to Adlai Stevenson's presidential campaign.
Adlai Stevenson once told what it was like to be the rare intellectual in politics. "Via ovicapitum dura est," he said, the way of the egghead is hard. [New York Times, Oct. 28, 1982]