late 14c., a native coinage or else from Flemish gulpe or Dutch gulpen "to gush, pour forth, guzzle, swallow," in any case possibly of imitative origin (compare Swedish dialectal glapa "to gulp down"). Related: Gulped; gulping.
1560s, from gulp (v.), or else from Flemish gulpe, Dutch gulp "stream of water, large draught."
The men gulped down their beers
He gulped for help after choking on a big piece of meat
he finished it at a single gulp