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2 definitions by TDS

 
1.
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
by TDS June 20, 2004
 
2.
NTD
Any day in which you see a sweet ass thong
Holy hell john! we got a big ntd ova here!
by TDS September 11, 2003