jammer

plural jammers

1. Any device used to jam radio reception.

   "But the Civil Aviation Authority is very worried about 'flyaway' - if someone has bought a GPS jammer on eBay because they don't want drones near their house, it can cause drones to get completely lost and shoot off in a random direction until they run out of battery.

   2025 July 23, Paul Clifton, “Air force: drones' developing railway role”, in RAIL, number 1040, page 29

2. A musician who jams.
3. A device (e.g. a jumar) which will slide along a rope in one direction but not the other, used in rock-climbing, caving etc.
4. roller derbyA player who attempts to score points by making their way past other players.

plural Jammers

1. A player of the massively multiplayer online game Animal Jam (now either the app so named, formerly Animal Jam – Play Wild!, or the desktop game renamed Animal Jam Classic).

   So come meet over 16 million Animal Jam players, or Jammers. […] Liza appears throughout this book to share her advice and tips with all Jammers.

   2014, Katherine Noll, “Welcome to Animal Jam!”, in Animal Jam: Official Insider’s Guide, Washington, D.C.: National Geographic Society, →ISBN, page 5

   3 more examples

   A growing percentage of "Jammers" are visiting from international territories, and global growth of the Animal Jam property will be a strong focus for Smart Bomb Interactive in 2013.

   2013 March 19, “Smart Bomb Interactive Celebrates Record Growth”, in Business Wire, →OCLC

   This Is Animal Jam, which has recently hit magazine racks across the country, is filled with insider tips, a Jammer name generator, games and puzzles and fun facts about the natural world.

   2018 summer, “DCT Media launch This is^([sic]) Animal Jam magazine”, in Total Licensing, Wadhurst, East Sussex, →OCLC, page 131, column 1

   Only as an actual adult did I realize how bizarre one particular user-created facet of the game was: an obsession with “adopting” other Jammers, or being “adopted” oneself. […] It’s a little disconcerting to ponder how much of my happy online childhood was spent hanging out virtually with people who were old enough to own Hondas and go on PornHub^([sic]) on purpose (and definitely people old enough to be active on Reddit), but I loved being a Jammer.

   2022 September 30, Miranda Wollen, “Are You There, God? It’s Me, iluvcupcakes29545.”, in Yale Daily News, volume CXLV, number 2, New Haven, Conn.: Yale University, →ISSN, →OCLC, page B4, columns 2 and 5

   Synonyms: Animal Jammer