Guava - its what women have and what most men strive to get. Simply put, its a word that replaces a cruder definition for female genitalia such as box/pussy/twat/cunt etc.
Rayno - "So Ben, that chick was hot!! Did she have a nice guava?"
"bro - that chick had the hairiest, scariest guava I have ever seen"
" Dude, I struck gold last night - she had a beautifully waxed guava"