intercourse fucking position. A variation of missionary: the man rises slightly more above the woman, and "floats freely" into her, and either he holds her calves (or feet) or she holds her knees folded back against her body and wide apart, to give him the maximum possible entry. Advantages: Man can ride high, right up to the womb; he can probe her very widely; extremely submissive female position and free dominant male role can excite both. Disadvantages: Can be strenuous: for extended sessions only lithe, fit bodies need apply!; also, not the best position for friction against ticklish ridges and main G-spots at front of the ridden cunt

Insect typically having a slender body with antennae and broad colorful wings, called butterfly because of it's tendency to "flutter by".

A knife you can open and close by turning around the two sides of the grasp. Usually used in ghettos or for little assaults in quicky market.
For the clever ones you can learn some tricks that make you look very very dangerous with that knife.

easily the greatest swimming stroke of all time

Coming from the Jason Mraz song butterfly, butterfly means pussy or vagina.

The butterfly in swimming is a great technique. Your body goes in a dolphin type of movement, almost like a rythem, and your hands goes with the rythem of your body. I love the stroke. Not everyone can do it though.

a small vibrator that goes in your underwear. it is shaped like a butterfly.