What does "Balak!" mean?

Balak is Darija for “mind out,” and in the medina it is less a word than a weather warning. It announces a handcart, a mule stacked with gas bottles, or a motorbike — all of which have right of way for the simple reason that they cannot stop. Volume is the forecast: a conversational balak means drift to the right; a shouted BALAK BALAK means become part of the wall, now.

The etiquette takes one sentence to learn: step toward the wall, never across the alley. The carter is already steering for the gap you're about to leave, and the only real collisions happen when a visitor stands in the middle deciding. Locals don't even pause their conversations — they heard the wheels before the word.

It comes from the Arabic bal, attention — as in red-balek, pay attention. Learn it on day one. It is the single most useful word in the medina, narrowly ahead of la shukran, and considerably ahead of hello.