ぶつぶつ butsu butsu (en) - matsumurae/onomatodict-jp GitHub Wiki

Anime Toradora!: minute 11:33. Audio here.

1. Murmuring or talking in a low voice
2. Saying things in a whisper (talking to oneself)
3. Complaint made in a whisper or low voice
4. Appearance of small grainy or foamy things being formed
5. State or sound of cutting things until they are small and fine
6. Sound of boiling as if bubbling
7. Having a lot of small bumps or pimples

• Type: Giyougo (擬容語)
• Category: Voice.
• Onomatopoeia: mumble mumble; mutter mutter; grumbling; complaining; muttering.
• Equivalent: moaning; complaining.
• Source:
  • https://nihongokyoshi-net.com/2021/03/18/onomatopoeia-butsubutsu/
  • https://goiryoku.com/onomatopoeia/butubutu/

Usage

いつも〜言っている
always moan about something; complain incessantly.

〜言うな
stop moaning! stop whining!

Examples

クラスメイトの鈴木君はいつもぶつぶつ独り言を言っていて、気味が悪い。
My classmate, Mr. Suzuki, is always talking to himself, which is creepy.

彼は上司のことでさっきからぶつぶつと文句を言っている。
He's been complaining about his boss for a while now.

やだ。背中にニキビのようなぶつぶつが出来てる。
Oh no, I’ve got a pimple-like bump on my back.

魚をぶつぶつと一口サイズに切ります
Cut the fish into bite-sized pieces.

Related

• Guchi-Guchi / ぐちぐち
• Guji-Guji / ぐじぐじ