Taunting Gibberish

"Blblblblblblblblblblblb!"

In many films (usually comedies or animated films), characters can let out a taunting gibberish sound, especially blowing the tongue at the opposer.

Examples
Stanley Ipkiss/The Mask

Master Little (The King and I)

Abu the Monkey (Aladdin)

Hu-Hu and Piorno (Spirit of the Forest)

Jar-Jar Binks (Star Wars: The Phantom Menace)

Garfield (A Tale of Two Kitties)