Circus Sideshow “Geek”

GEEK: \’gēk\, noun
From the low German geck, meaning “fool” (1914).
1: A carnival performer often billed as a wild man whose act usually includes biting the head off of 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).
— geek•dome, noun
— geek•i•ness, noun
— geeky, adjective
— geek, verb

Merriam Webster On-Line

I am actually considered a geek because I eat, or geek, fire. Any time we eat random items nowadays (lightbulbs, bugs, etc.) it is considered geeking. Though originally this term was reserved for biting (geeking) the heads off of chickens with great show, usually dressed is white.