That would be the definition of threading the needle.

or is it...

This guy cracks his skull. Ouch!

Wrestler Stone Cold Steve Austin (real name: Steve Williams) pleaded no contest in November 2002 to a misdemeanor charge of assaulting his wife during a domestic dispute. The numbers on the wall apparently indicate the metric system used by the Bexar County (Texas) Sheriffs office. Austin is about 6 3", or 1.93 meters.

This might be a good time to get out of the house now...

This professor is stoned or drunk. Never the less, hes on something.