Tabernac is one of the worst curse words you can use in French Canada. French Canada has a strong tradition of Roman Catholicism and this sacriligious word takes the word "tabernacle" in vain.
by Doctor Livingstone May 15, 2005
Fr. Canadian. An expression of surprise, warning ('look out!), astonishment, or disgust. Alternate spelling of tabarnak.
by userboy May 16, 2013
it's the Canadian French version of goddamn it. Its taken just as seriously by bible beaters there too.
Canadian Friend: Tabernac! I just stubbed my toe on a potato!
American Friend: Why are you beating on my potato with your goddamn toe!
American Friend: Why are you beating on my potato with your goddamn toe!
by tabbygrl June 15, 2015