Synonyms for Thumping (same or very similar meaning)
WordNet sense 1 (a heavy dull sound (as made by impact of heavy objects)):
clump, clunk, thud, thump
WordNet sense 2 ((used informally) very large):
humongous, walloping, whopping, banging
WordNet sense 3 (above average in size or number or quantity or magnitude or extent):
big, large
From the ODE community, based on WordNet
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