Vibrating

[Agnes]

When you have your [cell] and [recieve] a message or call, and you have to [announce] that you have received said message or call.

[Becky]

When your body experiences [uncontrollable] shaking after being sexually [satisfied].

Can last for hours.
More intense upon [initiation] of engaging in intercourse again.

[Greta]

present participle of vibrate