The difference between arm span, using the longest fingers, and height, minus shoes, hat and pompadours. Positive numbers indicate meatheads, knuckle draggers, etc. Negative numbers indicate highly evolved, higher planes of thinking, etc.

v. collectively or individually finding someone/something to blame for a problem, as opposed to brainstorming which connotes finding solutions to a problem

n. the act of finding someone/something to blame for a problem

(from a TV ad for HD television)