Without further information about where you encountered this term, it's difficult to pinpoint the correct spelling or intended meaning. If "pupoy" is slang, its meaning would be highly dependent on the social group or online community using it. Slang terms are often ephemeral and context-specif...
‘Song language’ meaning a language only used for singing and not for everyday talking. Their regular language is Punan Sajau, an Austronesian language shared with a neighbouring group. This song language (Basa Latala) is, according to the authors, an isolate (and apparently so is a differ...