Meaning
Downcast and gloomy; visibly sad and low in spirits — 'sad' with '-up' making it a fuller, settled state. Someone who is 'sad-up' has a long, mournful face and a heavy heart, moping about with no cheer. As a verb, to 'sad up' can mean to become downcast, or to make someone sad.
Examples
-
Wha mek yuh a sit dung so sad-up?
Why are you sitting there looking so downcast?
-
Di news sad up di whole family.
The news saddened the whole family.
-
Him face sad-up since him dog dead.
His face has been downcast since his dog died.
Origin
From 'sad' + '-up' (intensifying to a settled state); downcast. See [[bruk-heart]], [[cry-cry]].
How it’s used
Downcast/gloomy; also to 'sad up' = become or make sad. See [[bruk-heart]], [[feel-a-way]].