ˈsales slip noun [countable] American English a small piece of paper that you are given in a shop when you buy something
Synonym : receipt [TahlilGaran] Dictionary of Contemporary English ▲
sales slip{n.} A paper which the clerk gives the person who bought something; a paper that shows what you bought in a store and how much you paid for it.
Mrs. Smith checked the sales slip with what she bought.
Mary brought the sales check when she returned the dress so she could get her money back. [TahlilGaran] English Idioms Dictionary ▲