Awake, ye drunkards — i.e., awake from such an insensibility as wine causes. The people failed to see the hand of God in the terrible calamity, like an acted parable, of the locusts. Insensate, as the revellers in the halls of Belshazzar, they carried on their feasting even while the enemies were at the city gates.
It is cut off from your mouth. — Either joy and gladness, as given in the LXX., or the means of indulgence have been suddenly taken away.