There are a few different meanings to the phrase "dust off". The slang meaning of this phrase is "to beat or punch someone". Other meanings can include "To wipe the dust off something" or "to put something into use that has not been used in a long time".
"Dust off" is a colloquial phrase that means to shake off dust or dirt from something, or to revive or bring something back into use after a period of inactivity or neglect. It can also refer to the act of preparing or cleaning something for use.
The phrase pop off means to go away.
"Dust My Broom" means to clean out and start over, to make a change. It's a common phrase in the Mississippi Delta.
Cowboys loved a colorful phrase! This meant lies and tall tales. They meant no more than the dust in the corral.
"Off the floor" generally means that something is no longer resting on the ground or floor. It could also refer to something being sold or no longer available for purchase.
laugh my a** off
The phrase, "bite the dust" originates from the biblical saying, "lick the dust." It means that something has died, or fallen into the dirt.
it means "obscene"
disgressing
Readily availavble knowledge. As in "I don't know off hand."
The phrase 'give off light' means to have a lot of light.
To bring to an end or complete a task.
This looks like a very bad Google Translation of the English phrase "Remember that you are dust, and to dust you will soon return"