The body plopped up, turning on its side.
Kipling.

PLOP
Plop, n.

Defn: Act of plopping; the sound made in plopping.

PLOT Plot, n. Etym: [AS. plot; cf. Goth. plats a patch. Cf. Plat a piece of ground.]

1. A small extent of ground; a plat; as, a garden plot. Shak.

2. A plantation laid out. [Obs.] Sir P. Sidney.

3. (Surv.)

Defn: A plan or draught of a field, farm, estate, etc., drawn to a scale.

PLOT
Plot, v. t. [imp. & p. p. Plotted; p. pr. & vb. n. Plotting.]

Defn: To make a plot, map, pr plan, of; to mark the position of on a
plan; to delineate.
This treatise plotteth down Cornwall as it now standeth. Carew.