Definitions of "Duppy know who fi frighten" (Jamaican Proverb)

A ghost knows whom to frighten

Basically, bullies know to pick on those who are least able to defend themselves.

Patois: Him cyaa try mi, duppy know who fi frighten
English: He can't mess with me; ghosts know who to scare

One, one coco full basket , Mi cum yah fi drink milk, mi nuh cum yah fi count cow , Every hoe ha them stick a bush , Wah sweet nanny goat ago run him belly ,