Definition of: thump

(thump) noun
A blow with a blunt or heavy object; also, the sound made by such a blow; a dull thud. See synonyms under BLOW.
—v.t.
1. To beat or strike so as to make a heavy thud or thuds.
2. Colloq. To beat or defeat severely.
—v.i.
3. To strike with a thump.
4. To make a thump or thumps; pound or throb. [Imit.]
—thump′er noun