Answer: athrob

AnswerCrossword Clue
ATHROB

Beating fast

ATHROB

Pulsating

ATHROB

Beating, old-style

ATHROB
Pounding
ATHROB
Thumping
ATHROBBeating
ATHROBPulsating.
ATHROBFull of emotion
ATHROBLike a thumb struck with a hammer
ATHROBLike the heart during a horror movie
ATHROBPulsing