ja benne azz
It’s like when you're too lazy to think and just yell 'I don’t know' at the top of your lungs.
He shouted, 'Ja benne azz!' when asked what he did all day.
In the middle of the game, he said, 'Ja benne azz, I don’t know the rules.'
She yelled in the group chat, 'Ja benne azz, I don’t know what’s going on.'