What is the meaning of Thump?

A blow that produces a muffled sound.

The sound of such a blow; a thud.

Used to replace the vulgar or blasphemous element in "what the hell" and similar phrases.

Synonym of bump (“sudden movement of underground strata”).

To hit (someone or something) as if to make a thump.

To cause to make a thumping sound.

To thud or pound.

To throb with a muffled rhythmic sound.

(of a rabbit) to hit the ground with the back legs to signal agitation.

alternative form of thumb (“stinger; thorn”)

Source: wiktionary.org