Palpitate

[Sarah]

To beat rapidly and more strongly than usual; to throb; tobound with emotion or exertion; to pulsate violently; to flutter; --said specifically of the heart when its action is abnormal, as fromexcitement.

[Sarah]

to pulsate, quiver or tremble with unusual speed; an effect of a disease or a sudden burst of emotional energy.

[Sarah]

Palpitate: The action of thrusting one's weiner inside a warm, wet poooosy!

[Magaret]

(of the heart) beat rapidly, strongly, or irregularly.