Green’s Dictionary of Slang

whole cheese n.

(US)

1. everything.

[US]J.W. Carr ‘Words from Northwest Arkansas’ in DN II:vi 422: whole cheese, n. The whole thing.
[US]B. Fisher A. Mutt in Blackbeard Compilation (1977) 6: The whole cheese on ‘Darington’ to win.

2. an important person.

[US]W. Irwin Love Sonnets of a Hoodlum III n.p.: Then I shall strive and be the great main squeeze, The warm gazook, the only on the bunch, The Oklahoma wonder, the whole cheese.
[US]N.Y. Eve. Journal 11 Dec. in Fleming Unforgettable Season (1981) 6: He is the whole Swiss cheese at this meeting [...] the whole show.
[US]Ade Hand-made Fables 288: That is how he became the Whole Cheese.
[US](con. 1890s) A.F. Harlow Old Bowery Days 493: They’re the whole cheese in national conventions.
[US](con. 1930s) R. Wright Lawd Today 104: ‘Them high yellows is stuck up’ [...] ‘Yeah,’ said Bob. ‘They think they’s the whole cheese just ’cause they looks like white women.’.