oaks
Something you shout after saying something really true, like you're ready to fight to the death for it. It’s like when you say 'I’m right' and then you yell 'oaks!' like it’s a sacred war cry.
'I’m right about this!' he yelled. 'Oaks!' I said back.
She said, 'I told you so!' and I yelled 'Oaks!' in her face.
He proved it and we all screamed 'Oaks!' like it was a religion.