«لَا فِيشْ وَلَا عَلِيشْ»

The saying describes someone who carries no weight at all. Such a person is neither inside a matter nor in charge of it, neither a participant nor a responsible party. Whatever happens, they are left out of the reckoning because nobody thinks to count them.

It works as a compact put-down. The doubled negation sweeps away every position the person might occupy, leaving only insignificance. Its rhyming shape gives the contempt a teasing, offhand quality, as if the speaker barely bothers to weigh the person before dismissing them.

Use it to brush off someone regarded as insignificant, whose presence, opinion or absence changes nothing. It is a belittling judgment suited to informal talk about a third party; said to someone present, it can land as a pointed insult, though the playful rhyme makes the scorn sound light.