Covi Niner Share definition Flag The act of one individual infected with the COVID-19 virus propositioning sexual acts to another individual also infected with COVID-19. "I went down the street to see if Rachel wanted to covi niner." Covi Niner by NickEffinB March 31, 2020 0 0 Get merch Get the Covi Niner mug. Buy Now — $32.95 See more merch