This is a South African term for losing your temper. A ‘moer‘, amongst other things is a nut. One frequently loses one ‘s temper if the thread is stripped on a moer that one is tightening.
Other meanings are cruder and even obscene. We won’t go there; save to say if someone strips his moer with you, he is likely to moer you. In this case the second moer is short for murder!
What brought this to mind was the damage done when one’s temper is lost. Whether physical or verbal, the blows struck can cause significant bruising which can ache even after calm is returned.
I am a firm believer that we always have a choice in such matters: the straw that breaks the camel’s back can be deflected. Instead that straw should be seen as a signal to step away and not lash out.
It is a chance to give clear indication that your restraint is being tested, you are amper gatvol. Maybe just say, let’s leave it for now or don’t go there, please.

That’s a clear signal to others that sensitivity has been trampled upon; a change of subject is needed, immediately.
That way, there is opportunity for all parties to step back, review and seek another way forward.
If a clear signal to desist is ignored, there is licence to declare your moer to be stripped!
But, even then, moderation minimises mutilation!

Losing control means you are a loser… even if the other party surrenders or recants. They will be scarred and so will you, because you will know you failed as a reasonable human being.
There have been some notable temper failures …..
Jesus displayed righteous anger (stripped his moer) when he cleared the money lenders from the temple … whew! Am I brave enough to go there?
King Henry II of England wanted to be rid of a turbulent priest, thus Thomas a Becket was murdered by four loyal knights…
Of course one can be righteous if one is right, but who is the judge of that?
So, if you strip your moer, – take a deep breath and think carefully how to rein your temper in …. then smile!
That really disconcerts others!

Oops! Maybe a bit passive aggressive?
to mind an almost forgotten far east saying, “I’ll moer you wif a brick between the eyes till the bleedies be coming”
(far east rand that is)
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you can take an ou out of Boksburg…
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