(verb) during sex, when a woman rotates her hips in a circular fashion around the man's cock, usually Pelosi style

1. In physics, a slight irregular motion in which the axis of rotation of a largely axially symmetric object such as a gyroscope or a planet.

2. In sex, an act during intercourse in which gyration by the receiving partner (usually on top) resulting in a slightly irregular circular movement of the penis within an orifice while the depth of penetration remains constant.

3.In molecular biology, to mix a solution by rocking in a slightly irregular manner using a nutator.