n. 做低级滑稽表演的人,反常的人;畸形人;野人
n. (俚)极客,即智力超群,善于钻研但不懂与人交往的怪才
"An ordinary geek doesn't actually eat snakes, just bites off chunks of 'em, chicken heads and rats." [Arthur H. Lewis, "Carnival," 1970]By c. 1983, used in teenager slang in reference to peers who lacked social graces but were obsessed with new technology and computers (such as the Anthony Michael Hall character in 1984's "Sixteen Candles").
geek out vi. To temporarily enter techno-nerd mode while in a non-hackish context, for example at parties held near computer equipment. [Eric S. Raymond, "The New Hacker's Dictionary," 1996]