Kubbu is an onomatopoeia used by certain
people of Valluvanad and Madhya Thiruvithankoor regions in Kerala. Kubbu is someone who makes
annoying sounds and gestures to irritate
people. Kubbu is also a facial expression or sound ( similar to bruuu) that annoys everyone in the world.
He made a kubbu face while
farting.
I didn't buy him a beef steak. He made a kubbu
sound.
He got irritated just for looking at his his face. I
think he is a kubbu.