a heavy dull sound (as made by impact of heavy objects)
source: WordNet 3.0
A dull sound without resonance, like that produced by striking with, or striking against, some comparatively soft substance; also, the stroke or blow producing such sound; as, the thrud of a cannon ball striking the earth.
source: Webster 1913
verb
make a dull sound
The knocker thudded against the front door.
source: WordNet 3.0
strike with a dull sound
Bullets were thudding against the wall.
source: WordNet 3.0
make a noise typical of an engine lacking lubricants
source: WordNet 3.0
To make, or strike so as to make, a dull sound, or thud.
