1 definition by RutabagaDude

TNS

Abbreviation of the name of the Triple Nine Society, a high-intelligence quotient club. The Triple Nine Society is an association of people scoring at or above the 99.9th percentile on selected intelligence tests. www.triplenine.org

If you find Mensa unchallenging you should join the TNS.

by RutabagaDude April 26, 2017