They used to do it in movie theaters to trick you into buying popcorn.
"Your sister-in-law was trying to trick you into buying popcorn?"
For example: Instead of potato chips, buy unpopped popcorn you can make at home.
Their last stop had been at the market to buy popcorn and 7-Up.
I bought popcorn, fries, chicken fingers, a big pretzel and a hot dog at the stadium.
"But they will buy popcorn and Coke if we offer top-class concessions."
She bought popcorn from a vendor and they amused themselves feeding the milling ducks.
He would often buy popcorn for children in the movie theatre that didn't have any and his young daughter wanted for nothing.
When you consider buying popcorn, look at the so-called butter dispenser behind the counter.
My date gets out of the car to go buy popcorn while I fix up the speaker.