Comical and Taunting Gibberish from Film and Favorites

"BLBLBLBLBLBLBLB!"

In many a story, a usually funny character can let ot a gibbering sound (usually by shaking the tongue) for silly pleasure or to taunt someone or make them laugh.

Noteworthy Examples
Minions (Despicable Me)

Abu (Aladdin)

Jar Jar Binks

Garfield

Master Little (The King and I 1999)

The Mask

Joy (Inside Out)

Scooby-Doo