Informal:
* Ejja bil-ħeffa! (Literally: Come with speed!) This is the most common and casual way to say "hurry up".
* Għaġġel! (Literally: Hurry!) This is another common informal option.
* Ħaffef! (Literally: Speed up!) This is similar to "Għaġġel!" but slightly more forceful.
Formal:
* Agħmel ħaffiefa! (Literally: Make haste!) This is a more formal way to say "hurry up".
* Jekk jogħġbok, agħmel ħaffiefa! (Please, make haste!) This is even more formal and polite.
You can also use phrases like "Irrid immur issa" (I need to go now) or "M'għandix ħin" (I don't have time) to express the need to hurry.
The best way to say "hurry up" in Maltese depends on the situation and your relationship with the person you are speaking to.