“Keep his stomach full, and his balls empty:” – that’s old colloquial advice to young wives. The meaning is that if he is well fed, and sexually satisfied, he is less likely to be unfaithful.
Kellogg, Dr. John Harvey – avid anti-masturbationist
Kegels – PC muscle exercises
Ketchup – Male point of view memoir
King of Tonga – slept with 37,800 women
Kink – information
Knowing a Thing is Possible Makes it Easier to Learn – going way beyond ordinary orgasms for men and women
Korean Small Penis Bao