A) ...the top partner rides him in a full circle facing all cardinal points (North, South, East and West).
B) ...the top partner remains totally spread-eagle while the bottom male pumps and slowly turns top 360 degrees around on his penis.
C)...the top partner remain in position while the bottom male rotates his entire body 360 degrees while stroking causing his penis to equally turn inside his partner.
D) Not as commonly known but equal to the definition: The bottom (receiving) partner lays faced-down while the top male rides in a full circle.
Lesbians generally perform this act with the use of a strap-on or a double-sided dildo.
You cannot drop the ball in this process.
You must have quick feet.