Thump \Thump\, n. [Probably of imitative origin; perhaps influenced by dump, v.t.]

1. The sound made by the sudden fall or blow of a heavy body, as of a hammer, or the like.

The distant forge's swinging thump profound. --Wordsworth.

With heavy thump, a lifeless lump, They dropped down, one by one. --Coleridge.

2. A blow or knock, as with something blunt or heavy; a heavy fall.

The watchman gave so great a thump at my door, that I awaked at the knock. --Tatler.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Thump \Thump\, v. t. [imp. & p. p. Thumped; p. pr. & vb. n. Thumping.]

To strike or beat with something thick or heavy, or so as to cause a dull sound.

These bastard Bretons; whom our hathers Have in their own land beaten, bobbed, and thumped. --Shak.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Thump \Thump\, v. i. To give a thump or thumps; to strike or fall with a heavy blow; to pound.

A watchman at midnight thumps with his pole. --Swift.

Source: Webster's Revised Unabridged Dictionary (1913)