i don't know
the answer you say when you have no idea what the answer is, and you get yelled at for it
Teacher: 'What’s 2 + 2?' Me: 'I don't know.' Teacher: 'What? Why?'
Bro: 'What’s the deal with this game?' Me: 'I don't know.' Bro: 'You don’t even know!'
Friend: 'What’s happening?' Me: 'I don't know.' Friend: 'Why don’t you know?'