thump
noun.
a heavy dull sound (as made by impact of heavy objects)
Synonym: clump, clunk, thud, thumping
noun.
a heavy blow with the hand
verb.
move rhythmically
Her heart was beating fast
Synonym: beat, pound
verb.
make a dull sound
the knocker thudded against the front door
Synonym: thud
verb.
hit hard with the hand, fist, or some heavy instrument
the salesman pounded the door knocker|a bible-thumping Southern Baptist
Synonym: poke, pound