scour (something) off of (something else)

scour (something) off of (something else)

To remove something off of someone or something else with vigorous scrubbing, especially by using a very abrasive brush or cleaning pad. You'll need to scour the dirt off the potatoes before you start boiling them. I spent the whole day scouring rust off of the fence around our property.
See also: of, off, scour