con crud

/kɒn kɹʌd/

noun

An illness resulting from having people from a wide variety of places at a single gathering such as a convention, allowing disease to spread easily among them due to lack of immunity.

Similar
blorchcon flu
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Meanings

nouncon crud (uncountable)

alternative concrud

  1. slanguncountablelifestyleAn illness resulting from having people from a wide variety of places at a single gathering such as a convention, allowing disease to spread easily among them due to lack of immunity.

    The root canal will be done again as soon as I've recovered from my Worldcon dose of con crud.

    2002 September 19, Julia Jones, “Re: US Dentristy and Optometry”, in rec.arts.sf.fandom (Usenet), message-ID <BmkrtFJ+Zli9Ewvi@jajones.demon.co.uk>
    3 more examples

    Much has been said about those who go to furry and SciFi conventions and return with the "Con Crud."

    1999 September 18, Allen Kitchen, “A proposal for ALFers”, in alt.lifestyle.furry (Usenet), message-ID <A6D29FFCD278DB9B.8E59F475769021D7.8D510A7C0C424992@lp.airnews.net>

    any con crud? lots of people seem to have gone down with something, some are still stranded in Vancouver too ill to fly home :-((

    2003 September 22, diane, “Re: Gatecon report”, in alt.tv.stargate-sg1 (Usenet), message-ID <20030922013153387+0100@news.btinternet.com>

    [I]t [the 6-2-1 Rule] is a well-known rule that every con-goer should follow, because it will help you to avoid the dreaded con crud.

    2017 June 10, Lightning Bliss, “Lightning Bliss's Guide to Con Survival”, in YouTube

    Synonyms: blorch, con flu

Synonyms & antonyms

nounAn illness resulting from having people from a wide variety of places at a single gathering such as a convention, allowing disease to spread easily among them due to lack of immunity.

Similar
blorchcon flu
Also see
blorchcon flu

Origin

From con + crud (“disease”). The former part a shortening of conference or convention. The latter part meaning any disease, from earlier army and student slang for venereal disease (“sexually transmitted disease”).

Full word history & related roots →

Rhymes & wordplay

Rhymes with con crud

bloodfloodstudbudhudjuddsudruddspudthudcrudcuddudscudrudbludablooddisbudkhudLumadm'lud'sbloodskudstød
All rhymes →
Cite this entry
APA

con crud. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/con%20crud

MLA

“con crud.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/con%20crud. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “con crud,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/con%20crud.

Source: con crud on Wiktionary, CC BY-SA 4.0.