Deverbal from chamuyar.

chamuyo m (plural chamuyos)

1. (Peru, Chile, Bolivia, Rioplatense, colloquial) grandiloquence
2. (Bolivia, Rioplatense, colloquial) whisperings, hushed conversation
3. (Chile, Argentina, colloquial) A action or matter of dubious morality of legality.

See the etymology of the corresponding lemma form.

chamuyo

1. first-person singular present indicative of chamuyar

• “chamuyo”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025
• “chamuyo”, in Diccionario de americanismos [Dictionary of Americanisms] (in Spanish), Association of Academies of the Spanish Language [Spanish: Asociación de Academias de la Lengua Española], 2010