1. Chachi - Noun
2. Chachi - Proper noun
Chachi (plural Chachis)
A member of an ethnic group who live in the rainforest area of northwestern Esmeraldas on the northern coast of Ecuador.
Chachi
A male given name.
I think it was a good thing that Joanie and Chachi married. Erin Moran
Erin Moran, 56. The former child star who played Joanie Cunningham in the sitcoms “Happy Days” and “Joanie Loves Chachi.” Source: Internet