órale

Etymology 1
From ora, +. Some other Mexican Spanish exclamations used to exhort are proparoxytone imperative forms ending with (ándale, apúrale, córrele, etc.).

Unrelated to the imperative (Etymology 2), though perhaps influenced by it due to.

Interjection

 * 1)  let's go, come on, hurry (used to exhort)
 * 2)  oh my God, wow, whoa (indicates amazement, astonishment, excitement, surprise, shock, fear)
 * 3)  yes, ok, alright (indicates approbation)