Some know “sigma” as the 18th letter of the Greek alphabet but it’s also teen slang for a cool dude. According to Know Your Meme, sigma is “referring to a supposed classification for men who are ...

If you’ve spent any time with teens recently you might have heard them describe something as “sigma”, or even exclaim: “What the sigma?!” Confused about what it might mean, or why kids are so obsessed ...

Add Yahoo as a preferred source to see more of our stories on Google. EMS-FORSTER-PRODUCTIONS via Getty Images If you’ve spent any time with kids recently you might have heard them utter the words: ...

Get exclusive reporting, live Q&As and ad-free reading. Some know “sigma” as the 18th letter of the Greek alphabet but it’s also teen slang for a cool dude. According to Know Your Meme, sigma is ...