thumpPronunciation: (thump), [key]
a blow with something thick and heavy, producing a dull sound; a heavy knock.
the sound made by or as if by such a blow.
to strike or beat with something thick and heavy, so as to produce a dull sound; pound.
(of an object) to strike against (something) heavily and noisily.
to thrash severely.
to strike, beat, or fall heavily, with a dull sound.
to walk with heavy steps; pound.
to palpitate or beat violently, as the heart.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.