What Does Primo Mean In Slang?

What Does Primo Mean In Slang? pri·​mo | ˈprē-(ˌ)mō Definition of primo (Entry 3 of 3) slang. : of the finest quality : excellent. What does it mean when someone calls you Primo? In Spanish “primo” means cousin but in the sense he says it, he is calling you in a very familiar way. A