Jakarumba - (pronounced: jah-kah-room-bah) Means an Idiot or stupid person (by Bongani ka Ngwenya)
Jobie - A word used to refer to women (in Mafikeng). Originating from local artist ZamaJobe, which most men find very attractive) (Slang sent in by Willy Mailula)
Jacket - A R10.00 note. (Sent in by SollyKoko
Jealous boys - refers to a policeman. (Slang from Dumisani Phakathi)
Jersey - which means a girlfriend (Thembi Shabangu)
Jo, or Jou - A term of endearment. Uses: "Heita Jo", which means "Hello man!".
Juish (Pronounced Joowish) - Refers to nice and flashy clothes that someone has on.
Jack bemel - Means a witch doctor. (Sent in by Morena)
Jinja - Means to commit rape (sent in by Malefane Mohapi)
Jive - means Problem. As in, "Ke nale jive le medi ya gago." (translate: "I have a problem with your chick.")
Jive? - What seems to be the problem? (Sent in by Leonard Mogotlhong)
Joint - Means 'home'. E.g "My joint needs a major revamp." (Slang sent in by Victor V. Seshoka)