From rocket + shipper (after the characters' team, Team Rocket, and punningly on rocketship).
Rocketshipper (plural Rocketshippers)
- (fandom slang) A shipper of Jessie and James, characters in the animated version of Pokémon.
2000 January 13, Blue-Jackal and her box-o-Skywarp [username], “Jessie and James, an item?”, in alt.fan.team-rocket[1] (Usenet):Those of you who have read my fanfics will know that I am a Rocketshipper.
2000 February 7, BBD127 [username], “Rocketshipping... negative evidence?”, in alt.fan.team-rocket[2] (Usenet):All the Rocketshippers love to talk about evidence in favor of Jessie/James being in love and such.
2001 January 15, Bodger [username], “Re: Gay couple in Godzilla vs. Megalon”, in rec.arts.tv.mst3k.misc[3] (Usenet):You realize, of course, that this thread would probably get us lynched by the large Rocketshipper population on the net.