Catina from Abilene, Texas, says her young daughter and her friends fondly refer to each other with the word sigma. The slang terms sigma and sigma male were originally used in the manosphere to denote “an outsider,” and carried a...
buster slash n.— «A patch from a Groom Lake unit shows the letter sigma with the “buster” slash running through it, as in the movie “Ghost Busters.”» —“Inside the Black Budget” by William J. Broad New York...