バブバブMeanings1interjectiongoo-goo ga-ga; baby babbleonomatopoeic or mimetic wordOnomatopoeic interjection mimicking the babbling sounds of a baby. Often used playfully or when talking to infants.See also: バブー赤あかちゃんが「バブバブ」と言いって笑わらった。The baby said 'goo-goo ga-ga' and laughed.