Japanese edit

For pronunciation and definitions of ブーブー – see the following entry.
ぶうぶう
[adverb] honking
[adverb] grumbling; complaining
[noun] (childish) car; vroom-vroom
[noun] (childish) pig; piggy; oinky
(This term, ブーブー, is the katakana spelling of the above term.)