v. & n.
--v.
1. tr. (often foll. by down) swallow hastily, greedily, or with effort.
2 intr. swallow gaspingly or with difficulty; choke.
3 tr. (foll. by down, back) stifle, suppress (esp. tears).
--n.
1. an act of gulping (drained it at one gulp).
2 an effort to swallow.
3 a large mouthful of a drink.
Derivatives:
gulper n. gulpingly adv. gulpy adj.
Etymology: ME prob. f. MDu. gulpen (imit.)