nahnahnybooboo
Nahnahnybooboo is when you stick your tongue out like a f***ing parrot and yell it so loud it wakes up the dead. It’s the worst way to be rude.
My mom did a Nahnahnybooboo when I spilled coffee on her dress. It was legendary.
He did a Nahnahnybooboo during the movie. The whole theater heard.
She did a Nahnahnybooboo after I failed her math test. It was brutal.