Meaning
'It's no lie' — an emphatic way of swearing that what you've said is the honest truth. Literally 'it is not a lie', it works like English 'no word of a lie' or 'I'm telling you straight'. Dropped in after a claim, it presses the listener to believe you, often about something surprising or hard to credit.
Examples
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Mi see it wid mi own eye, a nuh lie.
I saw it with my own eyes — it's no lie.
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A nuh lie, di place did pack.
No word of a lie, the place was packed.
-
Him win di whole ting — a nuh lie!
He won the whole thing — honestly!
Origin
'a' (it is) + 'nuh' (not) + 'lie'. See [[fi-real]], [[mi-nah-lie]], [[true-true]].
How it’s used
Emphatic truth-marker dropped after a claim: 'honestly, no lie'.