fọnfọn
noun
/fɔ̃̄.fɔ̃̄/
spelling unconfirmed
Definitions
-
soundly; deeply; sound asleep
Wọ́n ń sùn fọnfọn. They're fast asleep.Mo sùn lọ fọnfọn ní kété tí mo délé. I fell fast asleep as soon as I got home.
Source: Wiktionary,
where this word is spelled “fọnfọn”.
Reference:
en-fọnfọn-yo-noun-72tmg543