ぶくぶく

Adverb

 * 1) bulging
 * 2) the sound of bubbling, blub blub
 * 3) the sound of boiling water
 * 4) glub glub, the sound of water leaking

Verb

 * 1) bulge
 * 2) bubble, boil
 * 3) go glub glub

Noun

 * 1)  aquarium bubbler