colloq. [onomatopœic; cf. dump, flop, plump, slump. Not in Johnson, or Webster, 1864.]

1

  1.  intr. To fall or move heavily with a dull noise.

2

1816.  G. Colman, Br. Grins, Mr. Champernowne, viii.

        Yet since the beefeater had eyes,
He saw the courtiers kneel to rise,
And therefore thought it not unwise
    To join in flumping down.

3

1823.  Moor, Suffolk Words, s.v. A hawk flumps or flops on a bird.

4

1838.  Thackeray, Yellowpl. Corr., ii. She [Mrs. Shum] said nothink in answer, but flumps past me. Ibid. (1861), in Cornh. Mag., June, 649. A little Skye-terrier dog with a red collar, who as soon as she sees Philip, sings, squeaks, whines, runs, jumps, flumps up on him, if I may use the expression, kisses his hands, and with eyes, tongue, paws, and tail shows him a thousand marks of welcome and affection.

5

  2.  trans. To set or throw down with a dump.

6

1830.  Miss Mitford, Village, Ser. IV. (1863), 182. Flumping himself down in the midst of a tuft of cowslips.

7

1840.  Thackeray, Paris Sk. Bk. (1872), 49. Chairs were flumped down on the floor.

8

1866.  St. James’s Mag., XVII. Oct., 345. She flumped herself down in the car.

9

  b.  To bump or strike (a saddle). In quot. absol.

10

1894.  Daily News, 20 June, 6/4. This is a very different thing from jerking and flumping in the canter.

11

  3.  The vb. stem used advb. With a flump.

12

1790.  Grose, Prov. Gloss. (ed. 2), s.v. He came flump down. South.

13

1841.  T. T. T., Porcelain Tower, 103.

        He cut it midway through—part fell down flump,
And part was left outstanding from the stump.

14