What is "whoppers"

n. (plural of whopper English)

Whoppers are malted milk balls covered with chocolate produced by The Hershey Company. The candy is a small, round ball about 3/4 of an inch in diameter. They are typically sold either in a small cardboard candy box, in a larger box that resembles a cardboard milk carton, the “Fun Size” variety which is a tube-shaped plastic package sealed at the sides, containing twelve Whoppers weighing 21 grams (0.75 oz), or the even smaller variety of a tube containing three Whoppers weighing 6.8 grams (0.23 oz).