Science fiction, whether print, TV, or movies, has a tradition of making up new swear words (or sometimes borrowing them from languages other than the one the SF is written/spoken in). Part of this is the awareness that language isn't always the same, and in the future, or in another galaxy, the same concepts wouldn't serve as cuss words. (It also allows the writers to have characters swear without being censored, sometimes by being only very slightly different from everyday swear words.)

Examples:

And General Wesc points out another list available at http://en.wikipedia.org/wiki/List_of_fictional_curse_words.

Please send any more submissions to Segnbora-t or an E2 editor so that they can be added to the general writeup, now that the others have been assimilated at editor request.