chipmunking
n.— «With just seconds on the clock, the contest appeared too close to call. Then, Kobayashi appeared to regurgitate some of his food right before the final buzzer—a scenario in which he would be disqualified from the competition. However, as the competition ended, both competitors had a mouthful of food—a technique known as “chipmunking.”» —“Joey Chestnut Wins Fourth of July Hot Dog Eating Contest” by OrangeKing Associated Content July 5, 2007. (source: Double-Tongued Dictionary)
Further reading
If someone’s got melon, it means they’re smart. The expression most likely arose because of the resemblance between a melon and a human head. Several other foods are associated with having brains, including a cabbage, a gourd, and even a...