Three corrections:
Stront.
Ek sal jou arms afruk en jou deur die bek moer met die nat kant.
Ek sal jou kop afruk en op jou longe kak.
That's how I remember them AND used them!
So you can imagine my giggles when I came across THIS
That's hillarious ... you were clearly also in the SADF 65536 years ago