To throb, as a pulse; to beat, as the heart.The heart of a viper or frog will continue to pulsate long after itis taken from the body. E. Darwin.
When something moves by itself, like it is breathing.
A pussy that twitches and move when sexually stimulated by the mind and thoughts alone without touching it.
* These videos are coming directly from Youtube, they may or may not be most relevant to the word "Pulsate"