Writhe

[Sarah]

To twist or contort the body; to be distorted; as, to writhewith agony. Also used figuratively.After every attempt, he felt that he had failed, and writhed withshame and vexation. Macaulay.

[Sarah]

A type of shudder at the peak of sex or when the body is completely sensitive.

[Sarah]

The act of squirming or flailing around in bed. Most commonly carried out upon awakening, but can last all day if the conditions are appropriate. Keeps at it's best when accompanied by the right music and/or snacks and/or wingman. Best accompanied by all three.

[Sarah]

A. The best Ret [Paladin] on the server of [Dethecus] in [World of Warcraft].
B. Suck Spec Officer of [Rest in Pieces]

[Tina]

to make large twisting movements with the body:

[Raeanne Dimick]

Make continual twisting, squirming movements or contortions of the body.