Socio in Cubonics (Cuban Slang) means good friend, or could even mean "my boy" or Socia for "my girl". Its commonly used in Cuba, as a greeting when you see someone you know.
Synonyms for socio
On this page, you will find 30 slang terms related to socio. Some of the top words include: dude, yo blood !, crippies, beotch, nalgas, and 25 more.