thump / [unvoicedth]əmp/ • v. [tr.] hit (someone or something) heavily, esp. with the fist or a blunt implement: Holman thumped the desk with his hand| [intr.] she thumped on the door. ∎  [tr.] move (something) forcefully, noisily, or decisively: she picked up the kettle then thumped it down again. ∎  [intr.] move or do something with a heavy deadened sound: Philip thumped down on the sofa. ∎  [intr.] (of a person's heart or pulse) beat or pulsate strongly, typically because of fear or excitement. ∎  (thump something out) play a tune enthusiastically but heavy-handedly. ∎ inf. defeat heavily: [tr.] Tampa Bay thumped Toronto 8–0. • n. a heavy dull blow with a person's fist or a blunt implement: I felt a thump on my back. ∎  a loud deadened sound: his wife put down her iron with a thump. ∎  a strong heartbeat, esp. one caused by fear or excitement.DERIVATIVES: thump·er n.

thump See stelk.

thump strike or beat heavily. XVI.
So as sb. XVI. of imit. orig.