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The term 'thetas' refers to the transcendent siblings of Theta Delta Sigma Society, Inc.

Theta Delta Sigma is a coeducational, multicultural Greek letter organization.

Its a cultural, educational, social, and community service based society that seeks to establish and perpetuate siblinghood. “Siblinghood: Brotherhood as well as Sisterhood”

Theta Delta Sigma strives to give its members an opportunity to address the issues of minority awareness, multiculturalism, and diversity. As an organization we educate our community in understanding that diversity and multiculturalism isn’t limited to race and ethnicity but also includes gender, sexuality, economic, and social status.
Check out the national website = www.thetadeltasigma.org
thetas by TDS June 20, 2004
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theta boo 

Any man who is in a relationship with any amazing woman of Theta Nu Xi Multicultural Sorority, Inc. This man is devoted, loving, caring, etc. He will do anything and everything to be with an exquisite Theta Woman.
Man#1: "You datin' that girl from Theta Nu?"

Man#2: "Yeah, why?"

Man#1: "Dawg, you done turned into a Theta Boo!"
theta boo by thetaboo4life January 20, 2009
Related Words

Toetastic 

A word describing something that is equal to or exceeding the quality of a toe
It would be so Toetastic if you could cut your toenails before the event starts
Toetastic by Tooooeeeereater July 20, 2023

thotasaurus rex 

The thot queen/king of all thots. It is impossible to out-thot a Thotasaurus Rex.
God damn, Jordan is the Thotasaurus Rex of our school.

delta theta 

The semi-universal symbol for therianthropes. Looks like a delta weaving in and out of a theta. Some therians customize it by putting their spirit animal on the inside.

See therianthropy, therianthrope, therian.
1: "I got a kick ass delta theta tattoo the other day."
2: "Sweet, does it mean anything?"
1: "Mind your own business!"
delta theta by Marrok August 13, 2007

Theta Phi Alpha 

Theta Phis are the most real girls in any sorority. They are sweet, kind, caring, and crazy intelligent. They are leaders in on and off the campus representing true Greek Life. Not only are the all around bad-asses but they are the most crazy fun sorority girls you will ever meet. They are the beautiful girls you take home to mom and then they out drink your dad under the table, because they already out drank every fraternity. Never sober, always true are the theta phis, known for holding their liquor with class. The penguin best represents them because they travel in packs, mate for life, and are always dressed for a party. Do not try and mess with a theta phi girl because if you mess with one you mess with the entire sorority. There sisterhood is the strongest, truest, and proudest of the greek tree. They would never bad mouth their sisters and are always there by there side. Every loyal, ever lasting are the Theta Phi Alpha girls.
Dude1: Wow, you would be a perfect Theta Phi Alpha. You are smart, beautiful, sweet, outgoing, and crazy fun!
PNM: Thanks! Its only the dream to belong to the best sorority on campus.
¡Ella tiene tetas grandisimas!
tetas by one & only April 16, 2006