The phrase 'The Whole Nine Yards' is used to indicate that you are speaking about everything that is appropriate, available, or pertinent, in all ways.
Example of Use: “If you want to run for class president, I’ll be with you the whole nine yards.”
There are many stories describing the origin of the phrase 'the whole nine yards' and no one is certain which is true. The statement has been used since the 1960s and is believed to have originated in the United States. An early example comes from the 1962 issue of Car Life: “Your staff of testers cannot fairly and equitably appraise the Chevrolet Impala sedan, with all nine yards of goodies, against the Plymouth Savoy which has straight shift and none of the mechanical conveniences which are quite common now.”