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1) A devoted fan of Star Trek: The Next Generation and the subsequent Star Trek series.

2) Does not grok Spock
"John is a trekker."
by Jamieson Scott June 25, 2005
Someone who is obsessed with Star Trek. A nerd. Hates being called a trekkie because trekkies are more "extreme" with their obsession.
William Shatner thinks trekkers are annoying.
by crazymalicous May 28, 2005
A STNG enthusiast.
Being a trekker, I particularly like the flexibility of Brent Spiner (Data).
by Benjamin Dover May 06, 2003
what the Trekkie nerds would rather have you call them
Normal person: Hey there, Trekkie nerd!
Trekkie, obviously outraged: Excuse me, Klingon-lover? That's Trekker!
Normal person: Whoa, sorry! Would it hurt for me to say that you've obviously never seen a real vagina before?
Trekkie, sobs: Only Romulan.
Normal person: That's alright, go back to closely examining the 27th frame of the 33rd second of the 17th minute of Episode G-382.
by Alex March 20, 2003
Sgt. Quinney non-believer
Sgt. Quinney is a non-believer in the definitions of Trekker and Trekkie
by william shatner November 25, 2003
someone whoe prefers speaking Klingon to fucking
And this is what a vagina looks like...
by Anonymous June 11, 2003