«مُوشْ مَرْبَطِ الْفَرَسْ»

The saying, a negated form of a familiar Arabic expression, tells a speaker that their claim misses what matters. The horse's tethering post figuratively stands for the crux of a matter; it is not a literal remark about horses. Denying that the speaker has reached it means they have not told the truth, or that their answer falls short.

It also marks the statement as something the listener cannot simply accept and let rest. What was offered is not the settled answer one would be content to hear and then stay quiet about, because the essential matter remains unaddressed.

Use it as a rejoinder when someone presents an account or conclusion that does not reach the heart of the issue or does not tell the truth, signaling that what they said is not the answer being sought.