Word USED Very frequently BY Everyone
(n.) • Meaning "boy" or "kid". From the indigenous Tingui language, it means "heart". Tingui mothers used to call their sons saying "heart", "my heart".
"Pare com isso, piá!"; "Piá, venha já pra dentro que tá frio aí fora!"
"Stop doing that, boy!"; "Hey, kid, come inside right now, it's cold outside!"