GULP

[verb] - to eat or drink (food or liquid) quickly by swallowing it in large amounts, or to make a swallowing movement because of fear, surprise or excitementShe gulped down her drink and made a hasty exit. [M]He gulped down vast quantities of oysters and champagne at the party. [M]When it was his turn to dive, he gulped and stepped up onto the diving board. [I]If you gulp air, you breathe in a large amount of it very quickly.If you gulp back an emotion, you try to stop yourself from showing it, usually by making a swallowing movement.She gulped back the tears.