1 definition by TalentMrRipley

the most down to earth sorority with the prettiest girls on campus. tri-sigma sorority may seem like "girls next door" but don't be fooled by their pretty faces...because when they party these girls can get down. they are ridiculously sexy and every girl wants to be a tri-sigma compared to any other sorority like theta or omega.

carrie underwood, the multi-platinum selling record artist is also a sister of tri-sigma.
Guy 1: Yoooo who's that girl?

Guy 2: she's that girl in tri-sigma, you don't have a chance so don't bother

Guy 1: :(
by TalentMrRipley July 02, 2010
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