Green’s Dictionary of Slang

rubyfruit n.

[the colour and supposed appearance; best known as title of novel Rubyfruit Jungle (1973) by Rita Mae Brown (b.1944)]

the female genitals.

Show quotations
[US]R.M. Brown [bk title] Rubyfruit Jungle.
[US]Maledicta VI:1+2 (Summer/Winter) 147: From them she might pick up and more to startle than identify with her sisters use words and expressions such as [...] rubyfruit (female genitals).