Jiki jiki
Jiki jiki means all of a sudden or suddenly.
When we were growing you were dark, jiki jiki you are a yellow bone.
Iceboy
An iceboy / ice boy is a broke guy who drinks with guys who have money (usually guys he grew up with). They send him around to buy ice, open the beers for them and do all crazy things because he does not contribute financially.
Don't be fooled by all that alcohol he is carrying, he is just an iceboy and not the moreki.
Mgqakhwe
In Xhosa, umgqakhwe is a derogatory term used to refer to someone born out of wedlock.
"Makungangeni mgqakhwe ebandleni likaYehova; nesizukulwana sawo seshumi masingangeni ebandleni likaYehova." - deuteronomy 23
"No one born of a forbidden marriage nor any of his descendants may enter the assembly of the LORD, even down to the tenth generation."