1. Not genuine, real, or true; bogus, sham, or counterfeit.

2. Of illegitimate birth.

3. Not from the claimed, pretended, or proper source.
1. The spurious Big Brother Canada Season 2 edit of "Sabraina".

2. The spurious - and belatedly materialized - BB Canada House Guest: Allison.

3. Every single spurious vomited word from the perpetually-engorged mouth of Big Brother Canada’s Sabrina.
by Pseudonympoodonym April 7, 2014
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used to describe people (usually women) who pretend to be bi-sexual (or on-line at dating and social sites) in order to get attention in public, but actually aren't bi-sexual.

aka "fake bi-sexuals" "faux bi-sexuals"
"She makes out with women in front of her boyfriend, but really, she's bi-spurious."
by GLilyDances March 14, 2010
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{Not just false or inauthentic, but the exact opposite of what is being claimed}
{Claims that Mexico will pay for the wall are Bone Spurious at best}
by Bone Spurz October 15, 2019
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Used to describe people (usually women) who show bi-sexual behavior because of the reaction it brings from the opposite sex, compared to real bisexuals who do it because they like/want to.
"Shes kissing that girl because all the guys are near her... she is so bi-spurious."
by MrStonedOne March 17, 2010
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