1.
honking sound; car horn
The sound of a car horn or similar noise. Also used as baby talk for 'car.'
2.
oinking; pig sound
The sound a pig makes.
ぶーぶー is an onomatopoeic word with three distinct uses depending on context.
SOUND/BABY talk
- ぶーぶー as a noun means "car" in baby talk, similar to English "vroom vroom"
- ぶーぶーに乗る: to ride in the car (child's speech)
- Also represents the sound of a car horn honking
Animal sound
Represents the oinking sound of a pig. Used in children's stories and when imitating animal sounds.
Complaining
- ぶーぶー言う: to grumble, to complain
- ぶーぶー文句を言う: to whine and complain
- Casual/informal expression implying petty or persistent complaining
Related onomatopoeia
- ワンワン: dog bark (also baby talk for "dog")
- ニャーニャー: cat meow
- モーモー: cow moo
Usage
Many Japanese onomatopoeia for animal sounds double as baby-talk nouns for the animals themselves: ワンワン (doggy), ニャーニャー (kitty).