1.the word you use to curse a demon program that will not work when most needed
2. a word used by UF students whenever something goes wrong
1. ten minutes left to take my chem online exam *error* Shibboleth!
2. *step on some dog business*... "Shibboleth!!!"
by nastigirl December 04, 2011
1) Word for a slag word used to denote something cool.
2) one itself
1) grovy, shibby, sick
2) Person 1: I got a new car!
Person 2: Shibboleth!
by Silvergrunt June 30, 2004
A flavor of the month word that entirely too many people are suddenly using.

It means something like a custom or belief attributed to a group or class of people, especially one outmoded. (Thanks Oxford)

I propose that it should mean someone who uses trendy 'new' words to fit in with the current blog crowd using the same damn word, relentlessly.
"God damn, did you see that Shibboleth? He started saying every new blog buzzword of the day like it was going out of style. What a Shibboleth."

by Shibboleth Mcgee February 12, 2009

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