sercon adjective 2noun 2forms 3 adjective2 •(slang, old-fashioned) Having a serious intellectual approach to science fiction; literary; scholarly; studious.Puns and similar witticisms are irrepressibly scattered all thru fan writings, even the most sercon. — 1959 •(slang, disapproving) Taking science fiction too seriously; boring; pompous; self-important.Carl even established a false identity for himself (!!) as "Norman Sanfield Harris" a sercon-fuggheaded type. — 1959 noun2 •(slang, old-fashioned) A sercon fan; a fan interested in intellectual, rather than fannish, matters.Sercons tend not to have masquerades or pay much attention to media fandom. They don't ban fun, however. — 2002 •(slang, old-fashioned) A sercon activity; a serious and scholarly activity.He's somewhat gafiated from 'Fusion, because he wants to start a sercon in Detroit (and because of his new S.O.) but he still goes to parties & cons. — 1995 formssercons · more sercon · most sercon