wàláhì! intj /wà.lá.hì/
wàláì (alternative), wàláì tàláì (alternative)
Definitions
  1. by God, may God be my witness!
Etymology
From Hausa wàllāhì, ultimately from Arabic وَٱللّٰهِ (wal-lāhi).
Source: Wiktionary, where this word is spelled “walahi”. Reference: en-walahi-yo-intj-Krnd0F5o