Summerfag

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

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

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).