What Is The Quickest Way To Knock Somebody Out?

The sleeper hold. Standing behind the person, you wrap one arm around their neck so that your fore arm and your bicep are pressed against the carotid artery and the jugular vein, respectively. Take your other arm and grasping your other hand or elbow, use it to pull back the arm doing the hold. People can be rendered unconscious within less than 30 seconds this way.

Note: This hold is quite dangerous. You are cutting off the blood supply to the brain. If you hold someone too long, or apply too much pressure and collapse the artery, you can cause serious brain damage or death.

To HIT them fight in the face!!!!!!

The quickest way to knock somebody out, is to hit them over the head dead center with a 2x4.