geek

Pronunciation: \ˈgēk\
Function: noun
Etymology: probably from English dialect geek, geck fool, from Low German geck, from Middle Low German
Date: 1914

1. a carnival performer often billed as a wild man whose act usually includes biting the head off a live chicken or snake
2. a person often of an intellectual bent who is disliked
3. an enthusiast or expert especially in a technological field or activity <computer geek>