Yallah

Hurry up
Lets go
Come on

* may also be spelled, Yalla.

To use it as "Yallah, let's go" would be invalid as Yallah means lets go.

You could use it this way;

"Yallah (name/nickname of person you are speaking to) _____"
or simply; "Yallah!"

by Levantine Princess April 01, 2010