Top Definition
A trick used to fool a U-Scan. U-Scans have a weight monitoring system that knows how much an item should weigh when you put it in the bag. You can take advantage of this by scanning one item then putting an item of similar weight in the bag. The main use of this is to scan a cheap item and get an expensive one of similar weight.
Jim: Why did you scan that mountain lightning and put the Mountain Dew in the bag?
Bob: Because I just U-Scan Swapped it mother flowers!
by ChadChoosy August 27, 2009
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