What is the meaning of gulping?

noun

• A spasmodic reflex of the throat made as if in swallowing.
  • synonyms: gulp
• The drinking of large mouthfuls rapidly.
  • synonyms: swilling, guzzling

verb

• To swallow hurriedly or greedily or in one draught.
  • usage: "The men gulped down their beers"
  • synonyms: gulp, quaff, swig
• Utter or make a noise, as when swallowing too quickly.
  • usage: "He gulped for help after choking on a big piece of meat"
  • synonyms: gulp