Neiner, neiner

A phrase you exclaim when you don't want to hear what someone is saying. Usually while you clasp your hands over both ears. Popular among children and immature adults.

Whitehouse Aide: President Trump. You lost the election, please step down.
Trump: No, the election was stolen!
Whitehouse Aide: Please, Mr. President if you cou-
Trump: Neiner, neiner! I can't hear you!