Here are some examples:
* Physical: "My headache was throbbing so badly I couldn't concentrate."
* Emotional: "Her heart was throbbing with excitement as she waited for his arrival."
Here are some synonyms for "throbbing":
* Pulsating
* Beating
* Pounding
* Vibrating
* Hammering
"Throbbing" implies a more intense and noticeable sensation than simply "pulsating" or "beating."