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1. A dull sound, as that of a heavy object striking a solid surface.
2. A blow or fall causing such a sound.
intr.v. thud·ded, thud·ding, thuds
To make a heavy, dull sound.
[Perhaps from Middle English thudden, to strike with a weapon, from Old English thyddan, of imitative origin.]
repetitive thuds or dull heavy sounds
making a dull heavy sound