The act of hooking up with someone in your own bed and then leaving to sleep somewhere else.

A highly complicated and potentially dangerous dance move that involves getting in push up position, performing two 'humps' and then pushing yourself up off the ground, only to land in the same position and repeat the cycle.

The Act of jumping with the pevis forward.

verb: In Halo, when in mid-air, clicking the left thumbstick a second time causing the Master Chief's legs to raise up, useful in clearing tall obstacles.

When you trip and fall onto a guitarist's dick, multiple times, while he's playing.