glug /ɡlʌɡ/verb 3noun 2exclamation 1forms 3 verb3 •To flow in noisy bursts.The water glugged down the sink. •(informal) To quickly swallow liquid.He had glugged that glass of wine before she got a chance to introduce herself. •To pour noisily.The bottle cap rasped as she unscrewed it and glugged some Bailey's into her mug, the spoon tinkling as she stirred. — 2022 noun2 •The sound made when a significant amount of liquid is poured suddenly out of something, such as a jug or bottle.The blood did not come out of him in a glug but in a steady silent gush. — 2004 •(informal) The amount of liquid issued when the "glug" sound is heard.Pour a glug of bleach into the toilet. exclamation1 •The sound made when a significant amount of liquid is poured out of a jug, bottle, etc., or when such an amount is swallowed by a person. formsglugged · glugging · glugs