ぱくぱく
pakupaku

Suru Verb
To-Adverb

1. repeatedly opening and closing (one's mouth); gasping

Onomatopoeia
Adverb
Suru Verb

2. flapping (e.g. shoe sole); gaping open and shut

Onomatopoeia
Suru Verb
To-Adverb

3. heartily (eating); devouring; munching; gobbling

Onomatopoeia
Other forms: