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. gulper n. gulpingly adv. gulpy adj.
[ ME prob. f. MDu. gulpen (imit.) ]