ぺちゃぺちゃ
pechapecha

Suru Verb
To-Adverb

1. chatter; prattle

Onomatopoeia
To-Adverb

2. lapping (up); slurping

Onomatopoeia
Suru Verb
To-Adverb

3. sound of juicy food being bitten into

Onomatopoeia