Green’s Dictionary of Slang

cheese n.2

[abbr. cheese and kisses n.; but US uses may refer to one who is ‘good enough to eat’]

1. [20C+] (Aus., also cheeze) one’s girlfriend or wife.

2. [1950s–70s] (US campus) a young woman; thus check the cheese, watch women pass by.

3. [1960s+] an attractive young man or woman.