nah nah nah yeh - You use it when you're trying to shut people up before they

You use it when you're trying to shut people up before they embarrass you in front of everyone.

'Nah nah nah yeh' I said, because my friend was about to say something stupid in front of my crush.

'Nah nah nah yeh' I said, because my brother was going to spill the beans about my secret.

'Nah nah nah yeh' I said, because my mom was about to yell at me in front of my friends.