Dese

A Sepitori term for good, beautiful... anything great. You may use it to say you are good at something or even use it to say you are beautiful.

Ke dese ka diski unlike Bafana Bafana players.

North West

North West is an inland South African province that borders Botswana. Its landscape is defined by mountains in the northeast and bushveld scattered with trees and shrubs.

I can't wait to go to North West and see Sun City.

Mjolo

Mjolo basically means dating. It's derived from ukujola which means to date. Therefore mjolo is the act of dating (ukujola).

Other people may spell it as mojolo

Mjolo will nyisa you. 

Skyf

South African slang term for “Please give/pass me”, pronounced as Sk-ey-f.

You don’t use an article (a, an or the) after the word. You just place the subject(what you want) directly after.

Please skyf pipe there. I wanna smoke quick.

WOT

WOT is the abbreviation for Woman on top, a sex position where the woman goes on top of the man.

She is the best when it comes to WOT.

Kwedini

A Xhosa term for small boy. It is generally used by older men when referring to a younger boy.
It can also be used to refer to an adult male but you need to make sure that you are not scared of that person you call kwedini.

I will moer you, kwedini. Don't disrespect me like that.

Umpu

Umpu is a Xhosa word for a gun.

Ndifuna umpu wam

I want my gun.

Slaan

Hit

I will slaan that oak

Makmoer

Makoer is directly translated from Afrikaans to English someone who is a domesticated asshole, essentially it means your a special kind of asshole

Afr: Daai makmoer moet my nie plaa nie-
Eng: that asshole shouldn't bother me

Vuvuzela

A plastic horn/trumpet that is mostly blown in soccer matches. It produces a loud monotone note. It became very popular in South Africa in the 1990s. A fan of the Kaizer Chiefs named Freddie "Saddam" Maake says that he invented the vuvuzela.

Don't forget your vuvuzela when we go to the stadium.

Askies

Askies is an Afrikaans term for Sorry. It is however used informally in almost all the South African languages for apologising.

I didn't see you there, askies for stepping on you.