Noun
opo (plural opos)
The calabash or bottle gourd.
Synonyms: opo squash, calabash, bottle gourd
Opo pl (plural only)
An ethnic group of South Sudan and Ethiopia, speaking the Opuuo language.
The following year ya Toivo finally managed to petition the UN on behalf of the Ovambo people, and continued his campaign for independence by forming the country’s first nationalist party, the Ovambo People’s Organisation (OPO). Source: Internet
In 1959, the OPO sponsored demonstrations against the continued presence of the apartheid government. Source: Internet
However, "po" and "opo" can be used in any case in order to express an elevation of respect. Source: Internet
"Po" and "opo" are specifically used to denote a high level of respect when addressing older persons of close affinity like parents, relatives, teachers and family friends. Source: Internet
Zlatan and LadiPoe feature on Rexxie's remix to, 'Opo' Source: Internet