1980s. From Brazilian Portuguese tropicalista (although this is apparently first attested later as noun: 1992 or earlier; 1968 as adjective) from tropical + -ista, after TropicáliaTropicalia.
Definition of tropicalista in US English:
tropicalista
nounˌtrɒpɪkəˈlɪstə
= tropicalist.
Origin
1980s. From Brazilian Portuguese tropicalista (although this is apparently first attested later as noun: 1992 or earlier; 1968 as adjective) from tropical + -ista, after Tropicália Tropicalia.