Crossword Genius

"Shop ___ you drop" (3)

Ross

I believe the answer is:

til

(Another definition for til that I've seen is " Sesame".)

I've seen this clue in The Wall Street Journal, the USA Today and the Universal.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.