thump /θʌmp/verb 5noun 4forms 4 verb5 •To hit (someone or something) as if to make a thump.These bastard Bretons, whom our fathers / Have in their own land beaten, bobb'd, and thump'd. — 1593 •To cause to make a thumping sound.The cat thumped its tail in irritation. •To thud or pound. •To throb with a muffled rhythmic sound.Dance music thumped from the nightclub entrance. •(of a rabbit) to hit the ground with the back legs to signal agitation. noun4 •A blow that produces a muffled sound.... and so the universal thump is passed round, and all hands should rub each other’s shoulder-blades, and be content. — 1851 •The sound of such a blow; a thud. •(informal, old-fashioned) Used to replace the vulgar or blasphemous element in "what the hell" and similar phrases.Where the thump have you been?! •Synonym of bump (“sudden movement of underground strata”). formsthumped · thumpt · thumping · thumps