the acting of being "ruthless" to an even higher intensity, so much so that you do so with lack of regard for others and common decency. When you're rufless, you don't even care.
A term or phrase used to describe a situation when a referee throws a penalty flag in football, when there obviously should not be a penalty on the play.
Bob: "Wait, why did the ref call pass interference on that play? No one touched him."
Jim: "I know. That's unnecessary refness." The ref can't keep the flag to himself for more than a minute.
The reserve spurt of energy that joggers deploy when passing someone sexy, even though they're so exhausted they could throw up their own heart. Body language is transformed from flailing sweatbox to "I'm fit - and so are you, baby. Let's work out." Once safely out of sight, they fall over.
To disassemble, reassemble, reconfigure and generally improve the operation of a computer system. Usually done in response to system failure or corruption.