googoo gaa gaa
the noise that babies make when they dont have anything else to do
My baby sister said googoo gaa gaa to me last night!
googoo gaa gaa
A sound attributed to babies before they learn speech, although they may not actually make these sounds together. Sometimes said to babies as a way of mimicking their sounds.
"He hasn't spoken his first word, yet. All we get is googoo gaa gaa."