bert and ernie were enjoying some good anal sex, then zack plowed his way in making it a true nashville sneak
when two gay men are having anal sex and a third man joins and attempts the anal double penetration, this is called a nashville sneak
"bert and ernie were enjoying some good anal sex, then zack plowed his way in making it a true nashville sneak" What is the definition of "nashville sneak"?