Synonyms for Thump (same or very similar meaning)
WordNet sense 1 (a heavy dull sound (as made by impact of heavy objects)):
clump, clunk, thud, thumpingWordNet sense 2 (move rhythmically):
beat, poundWordNet sense 3 (hit hard with the hand, fist, or some heavy instrument):
pokeFrom the ODE community, based on WordNetadd/edit