Answer: throbs

AnswerCrossword Clue
THROBSHurts, like a headache
THROBSPounds
THROBSBeats rapidly
THROBSPulsates
THROBSBeats strongly
THROBSBeats
THROBSBeats steadily.
THROBSPalpitates
THROBSPulses
THROBSHurts like heck
throbsact of throbbing
throbsto beat violently or rapidly
throbsTHROB, to pulsate (to expand and contract rhythmically, also PULSE)
throbsto vibrate