Top definition
Members of an internet community where socially ostracized oddballs, most electrical engineering majors, comp-sci majors and Asians, obsess over headphones and weird microscopic aspects of music in bizarre and unhealthy ways.
Xiang: At 2:08 in Rihanna's new song, if you listen closely you can hear a slight spark sound. Very cool.

Chris: Shut the hell up you f&$#ing head-fi nerd.
by GreySpiderman May 06, 2014
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