1 definition by Dimplestar

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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