adverb, adverb taking the 'to' particle
bubbling; foaming; bobbing with bubbles
Describes something sinking or rising while producing bubbles, or a liquid bubbling and foaming. Often used with と.
See also: ぶくぶく
鍋のスープがぷくぷくと煮立っている。
The soup in the pot is bubbling away.
魚が水面でぷくぷくと泡を出している。
The fish is blowing bubbles at the water's surface.
adverb, adverb taking the 'to' particle
Describes a cute, plump appearance, often of babies, animals, or puffed-out cheeks. Can be used with と or as a する-verb.
赤ちゃんのぷくぷくしたほっぺたがかわいい。
The baby's chubby cheeks are adorable.
ハムスターがほお袋をぷくぷくにふくらませている。
The hamster has puffed out its cheek pouches.