An onomatopoeic adverb representing the sound or action of gulping; used like 'gokkun' to indicate swallowing with a gulp.
彼は緊張しているのか、飲み物を飲むときにごっくんと音を立てた。
Maybe he was nervous—he made a gulping sound when he drank.
薬を飲むときはごっくんと一気に飲んでください。
When taking the medicine, swallow it with one big gulp.
面接で質問されたとき、彼は驚いてごっくんと唾を飲んだ。
When asked the question in the interview, he gulped in surprise.
The act of gulping down; used as a noun or verb phrase (often with する) to describe swallowing or gulping.
赤ちゃんがミルクをごっくんと飲む姿はかわいい。
A baby gulping down milk looks cute.
彼は薬を一瓶ごっくんと飲み干した（※使い方に注意）。
He gulped down a whole bottle of medicine (note: be careful with usage).