onípẹ́rẹ̀ǹsẹ́ noun /ō.nĩ́.k͡pɛ́.ɾɛ̀.ŋ̀.sɛ́/
Definitions
  1. a term used to refer to people of ethnic groups to the north of Ifẹ̀, including the Nupe people, Hausa people, and Ìyàgbà people. derogatoryethnichistoricalslur
    Èmi ò ní torí onípẹ́rẹ̀ǹsẹ́ kú I will not die for the sake of the northern foreigners
Source: Wiktionary, where this word is spelled “onipẹrẹnsẹ”. Reference: en-onipẹrẹnsẹ-yo-noun-GhYfs4hp