Think Outside the Brain
A wittier version of the non-innovative cliché "think outside of the box". This sarcastic phrase should not be confused with other idioms such as "use your intuition", "go with your gut", or "process sensory data with your spinal grey matter".
Boss: If you can't think outside the box you'll be downsized.
Employee: Will I get your job if I think outside the brain?
Employee: Will I get your job if I think outside the brain?