A fan of any iteration of Star Trek, not just the Next Generation as elsewhere noted.

Original series Star Trek fans have had a preference for trekker, not trekkie, going back to the early '70s and the first conventions.

At about that time, the mainstream media discovered Star Trek fandom with feature stories that usually had a condescending spin, including the term trekkie. These were along the lines of "Who are these trekkies and why do they gather by the thousands to profess their love for an old canceled TV show?"

Those features often focused on the most extreme aspects of fandom that of course looked weirdest to non-fans, and didn't delve into what it was about the show that made fans so passionate. Thus were the beginnings of the "nerdy" cliches that have come to be associated with fans. It was to avoid associations with such cliches that original Star Trek fans became opposed to trekkie and sought to get the more serious-sounding term trekker used.
"Yeah, I'm a Star Trek fan, but I'm not a trekkie, I'm a trekker. Why? Because it better reflects what being a fan is about."
by John Marston April 19, 2006
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someone who likes to trek across rough terrian
"that guy is a snow trekker"

"he went to get snow trekker gear"

"those are some mean snow trekker boots"
by arkitecta84 February 22, 2010
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Someone who is obsessed with Star Trek. A nerd. Hates being called a trekkie because trekkies are more "extreme" with their obsession.
by crazymalicous May 28, 2005
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A devoted fan of the television series Star Trek or one of its spinoff series or films. Variant: Trekkie.
Jon is a major Trekker.
by Tom E. Pinkerton November 18, 2002
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A noun, trekkers are originally fans of the TV show Star Trek: the Next Generation, and used the term 'trekker' to differentiate themselves from the original star trek fans who called themselves 'trekkies' Trekker has now come to mean a Trekkie who doesn't understand that they're a trekkie. Within the star trek community, there is still a debate over the difference between trekkies and trekkers, but the only difference is that trekkies came first, and trekkers don't like the term 'trekkie'.
"I came up with the term trekkie. So, it's trekkie, not trekker."
Gene Roddenberry, Star Trek Creator.
by Shojo Supuun December 03, 2004
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