When your fucking a girl in the Lustful Leg position and you twist her ninety degrees on top her back and flick her clit. The vibrations over take her leg and the twist causes her to sprain her vagina.
"After the naughty Cuban Corkscrew last night, every time I walk my flaps rub against my legs and it hurts too much to move"
by djscrutz November 2, 2015