Shorthand version for the Star Trek TV series "Deep Space Nine".
Also sometimes termed as "DSN", "Deep Space 9", "ST:DS9".

3 letter terminology is consistant with other shorthand references to other Star Trek TV series.
I watch DS9 because unlike TNG, individuals don't always get along with other characters and so it makes it more interesting.
by The Bajoran Ambassador :«) September 12, 2003
Get the ds9 mug.
stands for Deep Space 9, which is a Star Trek series that aired in the 1990s. Unlike other series this one featured a space station instead of a starship.
by Rakeri August 11, 2003
Get the ds9 mug.
The act of freezing a jobbie with the intent of inserting it into a male peehole for sexual pleasure.
I thought I had heard it all till someone tried to DS9 me.
by 24se7en September 26, 2011
Get the DS9 mug.