An old fashioned, derogatory Caribbean term to define someone who is short, fat, ugly and squat. Likening them to a hideous spectre that is close to the ground (sand)
“That guy is so short and fat, he looks like a sand duppy”
A word used amongst older Caribbeans to describe an ugly, short fat person. Broken down, a duppy is a hideous demon or ghost and sand, suggesting the duppy is close to the ground, as in short.
He’s so short and fat, he favours sand-duppy