Related Clues:
- 'Any ___?'
- ''Don't get any funny ---!''
- Think tank output
- 'Gibraltar may be strong, but ___ are impregnable': Emerson
- Concepts
- Brain waves
- Two cents' worth
- They're sometimes funny
- Enter via keyboard
- Enter data
- Lightbulbs, in the comics
- Bright thoughts
- Cortex activity
- Gray matter output
- Opinions, e.g.