Related Clues:

• Stun
• Trick: swear to damage the brain
• Cause brain damage with swear word
• Inflict (temporary) damage on the brain
• Cause a brain injury
• Stun with heavy blow
• Knock out prisoner, a stubborn person
• Learn to swear? Knock it on the head!
• Stun prisoner on oath
• Shake head, you and me getting reported