1. anything that is large in size.

one would have more context based on the line of the conversation.

Eh!, is’jumbane se ngaka. – Wow!, an item so big.

2. A traditional jail weapon made of a lock and a sock.

A lock is put inside a sock so it can be swung on enemies.

Ba mo shapile hlooho ka jumbane nako ela asale tronkong. – He was hit with a jumbane when he was in jail.

Unesi jumbane asingaka😹

— 𝖉𝖆𝖗𝖊𝖆𝖑 𝖕𝖗𝖆𝖛𝖊𝖘𝖍 (@Sammy_Pravesh) May 6, 2017