Definition of "Fiver"
Fiver
noun
plural Fivers
Quotations
(the Zaydis, or Fivers, were the first subset to break away from larger Shi’ism, and traditionally elected an imam from among the descendants of the Prophet Muhammad as their leader).
J. E. Peterson, Yemen on the precipice: Governing the ungovernable in 2013, Abbas Kadhim, Governance in the Middle East and North Africa: A Handbook, Routledge International Handbooks, page 306
(fandom slang) A fan of the American science-fiction television series Babylon 5.
Quotations
I've had hardcore Fivers point to both Jadzia Dax AND Kira as ripoffs of Ivanova (they can't decide which, I suppose) despite the fact that both premiered on DS9 first, and JMS didn't get rid of Ivanova until AFTER The Gathering, which showed when DS9 first came around.
2001 September 25, Steve Garrett Jr., “Re: The breen: total ripoffs of Star Wars”, in alt.startrek.vs.starwars (Usenet)