thump verb

1 hit sb/sth with your fist

ADV. hard He thumped Jack hard in the face. | down He thumped his fist down onto the table.

PREP. with She thumped the desk with her fist.

2 of the heart

ADV. hard, heavily, loudly, painfully, wildly

VERB + THUMP begin to Her heart began to thump wildly in her chest.

PREP. against He spun round, his heart thumping against his ribs.