This is the sixty-nine," I told him, presenting the magazine in front of him. I put my fingers -- two of them -- on the action, so that he would not overlook it. "Why is it dubbed sixty-nine?" he asked, because he is a person hot on fire with curiosity. "It was invented in 1969. My friend Gregory knows a friend of the nephew of the inventor." "What did people do before 1969?" "Merely blowjobs and masticating box, but never in chorus.
Jonathan Safran Foer (2013). “Everything Is Illuminated”, p.3, Houghton Mifflin Harcourt