sigma variant 

A disease affecting one's ability to stop grustling. Often combined with a lone wolf attitude and an affinity for cryptocurrency.

I think Edwin caught the sigma variant, he won't stop talking about Gary V.

sigma variant by mteusz November 28, 2021

Sigma variant 

The SARS-CoV-2 variant that comes after Omnicron.

Reporter: February 24, 2022 — experts have detected sightings of a new SARS-CoV-2 variant in the outskirts of Bangkok. They are naming it the Sigma variant because it sounds more cooler than Rho or Tau.

Sigma variant by Mary Mary Quite The Contrarian December 24, 2021