Definition of "Jater"

The Jaters and Skaters started out like any other shipper groups, but as the seasons have progressed, so has the intensity level of the group members.

2008, Jon Lachonis, Amy J. Johnston, Lost Ate My Life: The Inside Story of a Fandom Like No Other, unnumbered page

For five years, spanning a few hookups and many breakups, there was no answer – until the show made up its mind for the 'Jaters.'

2010, Robert Dougherty, Lost: It Only Ends Once: An Unofficial Last Look, page 240

I am a complete Jater, but I can't deny Kate and Sawyer's connection.

2012, Erin Leslie, Lost After Lost, page 15