One of the mysteries of the English language finally explained.
A traditional character in a masquerade, representing a tall robed spirit of (originally) West African legend, and played by a male dancer on high stilts who wears a brightly coloured, sometimes female costume.
Early 20th century; earliest use found in Port of Spain Gazette. Apparently from Moko + jumby.
moko jumby/ˈməʊkəʊ ˌdʒʌmbi//ˈmɒkəʊ ˌdʒʌmbi/
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