The story
- English · derived fromall right
- Jamaican Creole · borrowed fromirie
- English todayirie
Borrowed from Jamaican Creole irie, which is perhaps from English all right. Compare a'ight. The applied context of the remark, may also allude to a corruption of the conjugation of the french verb 'rier', such that, "I am laughing", would be a parabolic inference, about 'rightness'.
Etymology from Wiktionary, CC BY-SA 4.0.