Citations:Jacket

Proper noun: "(fandom slang) the ship of characters Jack Shephard and Juliet Burke from the television series Lost"

 * 2008, Jon Lachonis & Amy J. Johnston, Lost Ate My Life: The Inside Story of a Fandom Like No Other, unnumbered page:
 * Since Juliet did not arrive on the show until season 3, the Jacket group was a smaller, quieter bunch at first.