the whole nine yards
US /ðə hoʊl naɪn jɑːrdz/
UK /ðə hoʊl naɪn jɑːrdz/

1.
everything possible or available; the full extent of something
:
•
When she plans a party, she always goes the whole nine yards, with decorations, catering, and entertainment.
•
He bought a new car with all the optional extras, the whole nine yards.