thump

(noun) a heavy dull sound (as made by impact of heavy objects). Synonyms: thumping, clump, clunk, thud.

(noun) a heavy blow with the hand.

(verb) move rhythmically. Synonyms: beat, pound. Example: "Her heart was beating fast."

(verb) make a dull sound. Synonyms: thud. Example: "The knocker thudded against the front door."

(verb) hit hard with the hand, fist, or some heavy instrument. Synonyms: pound, poke. Examples: "The salesman pounded the door knocker." "A bible-thumping southern baptist."