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1. A person who is considered intellectually gifted in the field of academics. "Egghead" is usually used as college-speak to describe a brainiac.

2. A person's whose head is shaped like an egg.

Most people however, will use this word interchangeably as a pun. It has also been known that people whose heads are shaped like an egg are usually large at the top, which explains the larger brain-size.
Jackie will probably do well in that PhD program. She has always been known to be a bit of an egghead from elementary school all the way through college.
by Dimplestar December 15, 2005
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2
An overly intellectual person; someone who thinks too much.
Charles can't order lunch without using an algebraic formula -- what an egg head!
by anonymous 100 June 20, 2006
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3
what mrs humpty dumpty gives to mr dumpty
mrs humpty was o.t.r so she gave mr humpty egghead
by frankenpimp February 10, 2004
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4
"Ihab didn't make very good grades in school, but his sister, Reham, was a real egghead."
by Iyad Mahdood January 25, 2013
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5
some 1 with a large egg shaped head
by louise April 13, 2004
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6
An egghead is someone who reads books. The word is typically used as an insult. It can also refer to someone with an egg-shaped head. Can also refer to someone stupid.
Rainbow Dash called Twilight Sparkle an egghead for reading so much.
The bald man looked like an egghead.
What an egghead, can't even spell.
by Bunniebee September 24, 2015
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7
a nickname for one who has an egg shaped head, usually immense in size, other names consist of egg nog, big head, and "wow"
Tripp is known as egg head because of the immense size of his head
by Cracka February 19, 2004
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