In SA colored slang, you know the drill it means, you are crazy, just like the other two, you can either say it, Jus, of Zdus
'Uh-uh, no man, did you see what this dose just did?'
'He just tried to mac my girl,'
'Uh-uh, no, he's zdus(juss) in his head,'
'I'll somma come moore him now,'
'Uh-uh, is jy versin? No man, at the back of the alley.'
'No man, he's gonna drive me biss.'