Meaning
Beyond 'sugary', 'sweet' in Patois means delicious, pleasing, or thoroughly enjoyable. A party, a song, a game of dominoes, or a whole vibe can be 'sweet'. 'It sweet mi' means it delights or amuses me. As a verb, to 'sweet up' someone is to please, flatter, or sweet-talk them.
Examples
-
Di party did sweet, enuh!
The party was fantastic!
-
It sweet mi fi see dem win.
It delighted me to see them win.
-
Him a sweet up di gyal wid nice word.
He's sweet-talking the girl with kind words.
Origin
From 'sweet', broadened in Patois to mean delightful, enjoyable, or pleasing — and as a verb, to please or flatter.
How it’s used
Delicious, enjoyable, delightful ('di party sweet'); 'it sweet mi' = it delights me; 'sweet up' = flatter. See [[nice]], [[irie]].