ぷくっとぷくっとMeanings1adverbpuffed up; swollen; plumplyonomatopoeic or mimetic word›Describes something swelling or puffing out softly, often in a cute or rounded way. Related to ぷくぷく (sense 2).See also: ぷくぷくほっぺたがぷくっとふくらんだ。