tsotsi
/ˈtsɒtsɪ/noun
(pl. tsotsis)
1- S. African a young black urban criminal〈南非〉城市里的年轻黑人罪犯。
1.1
- used as an affectionate or contemptuous term for a young man伙计（对年轻人的昵称或蔑称）。
1.2
- historical a young black gangster belonging to a group most prominent in the 1940s and 1950s, affecting a special language and flashy dress〈史〉（20世纪40年代和50年代势力最大的流氓团体中说黑话、衣着花哨的）年轻黑人流氓。
词源
said to be a Sotho corruption of ZOOT SUIT.