Verb. From Persian.
“To conceal the fault or faults of goods that are for sale”
Probably a practice performed in more stores than we think; I know I’ve seen my fair share of ‘botched-jobs’ when it comes to things being sold!
I couldn’t help but think of “The Simpsons” episode where Apu is changing the dates on the milk cartons or picking up the hot dogs that have fallen onto the floor and obviously covered in dirt. Hence the photo for this one =]