バブー

interjection, adverb

goo-goo ga-ga; baby babble

Onomatopoeic or mimetic word representing the babbling sound of a baby. Used as an interjection or adverb to describe baby-like speech or behavior.

• 赤あかちゃんが「バブー」と言いった。

  The baby said 'goo-goo ga-ga'.

• 彼かれはバブーと甘あまえた声こえを出だし