To bend your leg, making an improvised vagina with the inside of your knee, then you or a partner insert one or more fingers and commence finger-knee intercourse.
I was bored in class today, so I extrapolated myself.
My girlfriend extrapolated me all nightlong, because we don't believe in sex before marriage.
to extrapolate is a method of sex which is so crazy that some consider it the hardest sex position to master, but once mastered it is the most enjoyable.
boy1: "me and girl totally extrapolated sooo hard this weekend... saturday and sunday!"
boy2: "i feel like dropping an f-bomb"
boy1: "i think i did."
1.Bobby didn't do drugs, he'd been clean all his life. One day he took some acid and snorted a fat line of k.
2.Billy was a virgin, he then fucked a fit girl and she thought he was amasing.
3.Freddy was retarded, he got a degree in arestotalian metaphisics.