I plead the fifth
It’s when you refuse to talk and you’re basically telling the world you’re not going to be the sucker who gets blamed for everything.
When asked if he knew the guy who broke the lock, he said, ‘I plead the fifth.’
She didn’t say yes or no when asked if she took the last cookie. ‘I plead the fifth,’ she said.
He didn’t answer the question and just said, ‘I plead the fifth.’