Gulp/ɡʌlp/ Definition 1 of 5Pro Tip 1/2Eating Quickly Used to describe someone eating very fast, often because they're in a hurry. The students gulped their lunches before the exam. Pro Tip 2/2Swift Consumption 'Gulp down' can imply drinking liquid quickly, sometimes without tasting it. After the race, he gulped down a whole bottle of water.