 And if a swarm of middle schoolers call you a Sigma, take that as a compliment. It's a new generation of slang, and you may have to hit social media to figure out what the hell they're talking about. Generation Alpha slang is the product of kids born between 2010 and 2024, and you can't just Google the slang anymore to figure out what they're saying. Emerging slang winds up on sites like TikTok and YouTube Shorts.