From Wiktionary, the free dictionary
A playful rhyme on chachi. Pistachi is nonsensical but derives from the similar-sounding pistacho (“pistachio”).
- IPA(key): /ˌt͡ʃat͡ʃi pisˈtat͡ʃi/ [ˌt͡ʃa.t͡ʃi pisˈt̪a.t͡ʃi]
- Syllabification: cha‧chi pis‧ta‧chi
chachi pistachi (invariable)
- (colloquial, Spain) supercool; coolio; sweet as