summerfag

plural summerfags

1. InternetderogatoryA new, inexperienced, and presumably teenage user who joins an online community (especially 4chan) during the American school holidays (i.e. summer)

   […] a 'summerfag' is a high-school-age poster who disrupts 4chan's norms with inexperience during summer break).

   2012, Ryan M. Milner, "The World Made Meme: Discourse and Identity in Participatory Media", dissertation submitted to the University of Kansas, page 214

   2 more examples

   OP, kindly an hero [that is, kill yourself] immediately. As if anyone gives a fuck other than cancerous summerfags [also called noobs] like you

   2011, unidentified 4chan poster, quoted in Cole Stryker, Epic Win for Anonymous: How 4chan's Army Conquered the Web, The Overlook Press (2011), unnumbered page

   By 2012, seasoned anons were constantly railing against the flood of “newfags” and “summerfags,” users ignorant of trolling culture (“summerfagging” implies that an anon just discovered the site, likely during summer vacation).

   2015, Whitney Phillips, This Is Why We Can't Have Nice Things: Mapping the Relationship Between Online Trolling and Mainstream Culture, MIT Press, →ISBN, page 145