verb

swallow (drink or food) quickly or in large mouthfuls, often audibly.

he gulped down the last of his coffee

swallow,quaff,swill down,down,drain one’s glass,swig,slug down,knock back,toss off,neck,chug,gobble,guzzle,bolt,wolf,cram,stuff,devour,gorge (oneself) on,eat greedily,eat hungrily,tuck into,put away,pack away,demolish,polish off,stuff one’s face with,pig oneself on,murder,shovel down,scoff,shift,gorb

noun

an act of gulping food or drink.

she finished her drink in one gulp