kwela-kwela, n. — Green’s Dictionary of Slang

kwela-kwela n.

[Zulu kwela, get in, i.e. to the van]

(S.Afr.) a police van.

1972		Drum 8 Nov. n.p.: A yung cop in a kwela-kwela [...] gave chase.
1985		Fair Lady (S.Afr.) 26 June n.p.: More and more people were herded into the kwela-kwela.
1997		Mail and Guardian (Johannesburg) 7 Nov. 🌐 As they see police vans coming, they shout ‘Here comes the kwela-kwela!’ and run.