What is Kentucky Fondue?
1.
After anal sex, the act of dipping one's testicles into partner's anal cavity and coating the scrotum in fecal matter.
And, after desired coating is achieved, then placing said testicles into partner's mouth.
"So while I was balls deep in Kimberly's ass last night, I figured I may as well follow it up with a Kentucky fondue. Her breath still smells. I'm never calling her again."
See
