Whilst walking, one swings the arms in an
aggressive & sometimes uncontrollable manner perpendicular to the body, in an attempt to gather momentum & propel the body forward thus compensating for an inability to move efficiently.

This characteristic is often exhibited by more rotund individuals, to overcome the high level of inertia whilst initiating movement.

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)