foo foo valve means: The vulva is referred to as “Polite” by kiwi. (in Community Dictionary, added by Savion Odom)
What else does foo foo valve mean?
- It is used mainly by Kiwi New Zealand farmers, workers, and military personnel. This phrase is applicable to both genders. The foo-foo valve is also known as the anal-sphincter. This would make foo-foo onomatopoeic and for fart. It is generally used to avoid a prolapse or hernia. (in Community Dictionary, added by Janelle Atkinson)