when one fucks their brother and or sister.
"dude, did you hear about Dave and Sara Smith? ... They did the Kentucky twist... Fucking Gross"
When you take a rabbit's shit and smear it on your partner whilst twisting their ears shouting racial slurs.
I really hope she's more comfortable in the bedroom by now, I really want to try The Kentucky Milkdud Twist on her.
Bro, it was sick. She let me do The Kentucky Milkdud Twist on her! That was the best sex I've ever had!